Ultimate assortment of set-up shims. You can use the shims for easy and accurate adjustment of:
• front and rear roll center
• front bump steer
• front and rear toe-in
• wheelbase  

Alu shims 3x6mm size, 0.5mm thick. Black color. Set of 10. 

Alu shims 3x6mm size, 0.5mm thick. Orange color. Set of 10. 

Alu shims 3x6mm size, 1mm thick. Black color, set of 10. 

Alu shims 3x6mm size, 1mm thick. Orange color, set of 10. 

Alu shims 3x6mm size, 2mm thick. Silver color, set of 10. 

Alu shims 3x6mm size, 2mm thick. Black color, set of 10. 

Alu shims 3x6mm size, 2mm thick. Orange color, set of 10. 

Alu shims 3x6mm size, 3mm thick. Set of 10. 

Alu shims 3x6mm size, 3mm thick. Black color. Set of 10. 

Alu shims 3x6mm size, 3mm thick. Orange color. Set of 10. 

Alu shims 3x6mm size, 5mm thick. Black color, set of 10. 

Gear differential internal gears precision made from new graphite composite mixture. Includes 2 bevel gears + 4 satellite gears.  

Composite locknut to secure the screw for external ball diff adjustment, also acts as dust protector. 

Rear wing for XB2/XB4 made Lexan material is highly reliable with less chance of breakage, giving higher traction & stability but reducing steering. 

Stylish, effective rear center fin was developed and long term tested to maximize the rear wing air flow efficiency.  

Stylish, effective rear wing works perfectly with XRAY XB2 body. 

Specially-designed 35g stainless steel weight for placement beneath short battery pack to add weight as low as possible. 

Molded composite shock ball joint, length 21mm. These ball joints are +4mm longer than standard ball joints, allowing greater suspension downtravel.  

Specially-designed 2WD/4WD rear wheels with 12mm internal hex.  

Specially-designed 2WD/4WD rear wheels with 12mm internal hex.  

XRAY Premium Silicone Oil 100 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 150 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 200 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 250 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 350 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 400 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 500 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 550 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 600 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 700 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 800 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 900 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 1000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 2000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 3000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 6000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 7000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 8000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 15 000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 20 000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 30 000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 40 000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

XRAY Premium Silicone Oil 50 000 cSt is manufactured in Europe by a specialized silicone oil premium manufacturer, these new oils were exclusively created for XRAY. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-proven CST rating, the new line of oils will be easy to identify, adjust, and feel. 

Machined from 2.0mm high-grade graphite, the optional 1-piece long top deck is recommended for high-traction carpet and astro conditions. 

New precision-designed composite chassis frame with split design has a separate front part and rear chassis plate. 

Set of composite parts includes short body mount post and set of composite shims. 

Roll center brace made from hardened steel fits both front and rear shock tower. Helps to reinforce the shock tower in hard crashes. 

CNC-machined front shock tower made from premium 3.5mm graphite material for incredible strength and long life.  

CNC-machined alu front shock tower from 3mm thick premium Swiss 7075 T6 aluminum. 

Front lower suspension arm made from super-tough composite material that is exclusively used for suspension arms. 

Front lower suspension arm made from super-tough composite material that is exclusively used for suspension arms, a perfect balance between reliability and performance.  

HARD front lower suspension arm made from super-tough, high-tech composite material.  

All-new innovative and unique SFA™ graphite stiffeners allow for super-quick front lower suspension flex adjustment to easily adjust the traction of the car under various track conditions.  

GRAPHITE molded composite C-hub for RIGHT steering block.  

HARD molded composite C-hub for RIGHT steering block. Made from super-tough, high-tech composite material.  

Molded composite C-hub for steering block. Caster pre-set at 6°.  

GRAPHITE molded composite C-hub for LEFT steering block.  

HARD molded composite C-hub for LEFT steering block. Made from super-tough, high-tech composite material.  

Molded composite C-hub for steering block. Caster pre-set at 6°.  

Aluminum RIGHT C-hub with pre-set 12° is CNC-machined from premium Swiss 7075 T6 aluminum. Additionally black coated and laser engraved. 

Aluminum LEFT C-hub with pre-set 12° is CNC-machined from premium Swiss 7075 T6 aluminum. Additionally black coated and laser engraved. 

Molded composite steering block from specially-formulated graphite composite material is a perfect balance between reliability and performance.  

The tiny yet tough steering blocks are molded from a special composite mixture for maximum strength.  

Alu conical shim 3x6x2.0mm. Black color. Set of 10. 

Alu conical shim 3x6x2.0mm. Orange color. Set of 10. 

Eccentric bushings for adjusting suspension settings, made from tough composite.  

Spring steel anti-roll bar, 1.0mm thick. Marked with no laser-engraved lines for easy identification. Black colour.
 

Spring steel anti-roll bar, 1.1mm thick. Marked with 1 laser-engraved line for easy identification. Black colour.
 

Spring steel anti-roll bar, 1.3mm thick. Marked with 3 laser-engraved lines for easy identification. Black colour.
 

Spring steel anti-roll bar, 1.4mm thick. Marked with 4 laser-engraved lines for easy identification. Black colour.
 

Spring steel anti-roll bar, 1.6mm thick. Marked with 6 laser-engraved lines for easy identification. Black colour.
 

Spring steel anti-roll bar, 1.8mm thick. Marked with 8 laser-engraved lines for easy identification. Black colour.
 

Molded composite servo saver parts made from specially-formulated graphite composite mixture for increased strength, improved friction and lower weight. Perfect balance between reliability and performance. 

Alu servo saver pivot shafts are CNC-machined from high-grade Swiss 7075 T6 aluminum to ensure high strength with ultra-low weight. 

Molded composite steering plate made from specially-formulated graphite composite mixture for increased strength and lower weight.  

Aluminum steering plate CNC-machined from premium Swiss 7075 T6 aluminum. Designed & recommended for use in high-traction conditions.  

Optimized aluminum steering plate, CNC-machined from premium Swiss 7075 T6 aluminum. 

CNC-machined steering brace plate made from 2.0mm premium-grade graphite material. Increases steering and improves landings from jumps, but makes the car less stable.  

Threaded 4.9mm ball end with 5mm thread length for connection to molded ball joints. Set of 2. 

Rear graphite shock tower protector made from hardened steel reinforces the shock tower in crashes to increase the lifespan of the shock tower. 

CNC-machined alu rear shock tower from 3mm thick premium Swiss 7075 T6 aluminum. 

Rear lower right suspension arm made from super-tough composite material that is exclusively used for suspension arms. 

HARD rear lower RIGHT suspension arm made from super-tough, high-tech composite material gives a perfect balance between reliability and performance. 

Rear lower left suspension arm made from super-tough composite material that is exclusively used for suspension arms. 

HARD rear lower LEFT suspension arm made from super-tough, high-tech composite material gives a perfect balance between reliability and performance. 

All-new innovative and unique SFA™ graphite stiffeners allow for super-quick rear lower suspension flex adjustment to easily adjust the traction of the car under various track conditions.  

High-precision eccentric 5.8mm pivot ball allows to mount the shocks in a different angle. Set of 2. 

Aluminum rear lower suspension holder (forward) with Integrated Suspension Settings™ (I.S.S.) allows for quick & easy suspension geometry setting. 

Optional brass lower suspension holders for XB4 cars provide additional weight down low to improve traction and stability while lowering the car’s CG. 

Aluminum rear lower suspension holder (rearward) with Integrated Suspension Settings™ (I.S.S.) allows for quick & easy suspension geometry setting. 

Aluminum rear RIGHT upright CNC-machined from premium Swiss 7075 T6 aluminum. 

Aluminum rear LEFT upright CNC-machined from premium Swiss 7075 T6 aluminum.  

Molded composite rear upright with 2 roll center positions, used on left or right side.

 

HARD molded composite rear upright with 2 roll center positions made from super-tough, high-tech composite material.  

Optional rear wing for XB4 & XB4 2WD. The 1.5mm thick material is highly reliable with less chance of breakage, while at the same time influencing the performance of the car as well.  

Optional rear wing for XB4 & XB4 2WD. The extra thick material is highly reliable with less chance of breakage, while at the same time influencing the performance of the car as well.  

Friction pads for slipper clutch system, made from special high-grip material. Set of 3. 

Clutch spring for slipper clutch, C=45 rating. Black color. 

Short clutch spring for slipper clutch, C=45 rating. Black color. 

Gear differential case made from specially-formulated graphite composite mixture for increased strength and lower weight. Perfect balance between reliability and performance. 

Precision-machined 35T differential bevel gear made from lightweight yet ultra-strong Swiss 7075 T6 alu, additionally black hardcoated for maximum lifespan.  

Precision-machined 35T differential bevel made from high-strength steel. Additionally hardened for increased lifespan and reliability. 

Tough composite bushing for use with Steel Differential Bevel Gear. Set of 2. 

A "must have" option for XB4 & XB4 2WD, the ball-differential increases traction and is recommended for low-traction tracks. 

Long output shaft for #365000 Adustable Ball Differential, made from world-renowned HUDY Spring Steel™. Factory pre-assembled with #305070 composite locknut. 

Short output shaft for #365000 Adjustable Ball Differential, made from world-renowned HUDY Spring Steel™. Factory pre-assembled with #305070 composite locknut. 

Composite 35T ball differential bevel gear made from tough composite material. 

Special screw for external ball differential adjustment. Manufactured exclusively from world-renowned HUDY Spring Steel™ 

Diff rings for #365000 Ball Adjustable Differential for XB4 cars. ID x OD x thickness = 17mm x 24.5mm x 1.0mm. Set of 2. 

14-tooth bevel-drive steel gear for front/rear differential.  

14-tooth bevel-drive steel gear for front/rear differential. Additionally hardened for increased lifespan and reliability.  

The unique XRAY ECS Drive Shaft equalizes the speed between the drive shaft and the wheel.  

CNC-machined 81mm ECS drive shaft made from world-renowned HUDY Spring Steel™. This race-quality drive shaft is a spare part for #365200 ECS Front Drive Shaft 81mm - HUDY Spring Steel™.  

Drive shaft coupling for ECS drive shafts. Made from world-renowned HUDY Spring Steel™. Specially hand-ground for maximum precision.  

CNC-machined drive axle for ECS drive shafts, made from world-renowned HUDY Spring Steel™. Fits #365200 ECS drive shafts. 

ECS Drive Shaft Case made from HUDY Spring Steel™. Fits #365200 and #365300 ECS drive shafts. 

CNC-machined 68mm ECS drive shaft made from world-renowned HUDY Spring Steel™.  

CNC-machined, premium aircraft aluminum -0.75mm offset wheel hubs, to give narrower track-width.  

CNC-machined, premium aircraft aluminum +0.75mm offset wheel hubs, to give wider track-width.  

CNC-machined, premium aircraft aluminum 12mm wheel hubs. Strategically machined for optimum strength, balance, and lightness.  

CNC-machined, premium aircraft aluminum 12mm wheel hubs with -0.75mm offset for narrower track-width. Strategically machined for optimum strength, balance, and lightness.  

CNC-machined, premium aircraft aluminum 12mm wheel hubs with +0.75mm offset for wider track-width. Strategically machined for optimum strength, balance, and lightness. 

CNC-machined, premium aircraft aluminum 12mm wheel hubs with +1.50mm offset for wider track-width. Strategically machined for optimum strength, balance, and lightness. 

CNC-machined, premium aircraft aluminum 12mm wheel hubs with +2.25mm offset for wider track-width. Strategically machined for optimum strength, balance, and lightness. 

CNC-machined, premium aircraft aluminum 12mm wheel hubs with +3.00mm offset for wider track-width. Strategically machined for optimum strength, balance, and lightness. 

CNC-machined 12mm wheel hubs with +3.75mm offset for wider track-width, made from Swiss 7075 T6.  

CNC-machined 12mm wheel hubs made from Swiss 7075 T6 have +4.5mm offset for wider track-width.  

Central CVD shaft universal joint made from world-renowned HUDY Spring Steel™.  

Optional alu safety collar for CVD shafts ensure the mounting pin is securely contained. Black color, laser engraved with XRAY logo. Set of 3. 

Optional alu safety collar for CVD shafts ensure the mounting pin is securely contained. Orange color, laser engraved with XRAY logo. Set of 3. 

High-strength pinion 18T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion 19T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 20T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 21T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 22T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 23T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 24T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion 25T gear made from tough 7075 T6 alu and specially hardcoated for superior strength, light weight, and high durability. 

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

High-strength pinion gear made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability.  

Precision-molded slipper clutch spur gear 75T 48P is made from XRAY's exclusive secret blend of composite material, allowing the gear to be robust enough to handle high-performance brushless motors. 

Precision-molded slipper clutch spur gear 78T 48P is made from XRAY's exclusive secret blend of composite material, allowing the gear to be robust enough to handle high-performance brushless motors. 

Precision-molded spur gear 84T is made from XRAY's exclusive secret blend of composite material, allowing the gear to run yet be robust enough to handle high performance brushless motors.  

Alu servo mounts, CNC-machined, for mounting steering servo. Black color. Set of two. 

Set of lower aluminum shock collars for increased reliability. Stylish and lightweight collars are CNC-machined from premium Swiss 7075 T6 aluminum and are strategically lightened. Set of four. Black color. 

Set of shock pistons made from Delrin® and molded using super-precise molds. There are 2 types of pistons with 2-holes, and different diameters for precise shock adjustments.
 

Machined steel upper mounting bushing for XB4 alu shock cap. Set of 2. 

Set of molded composite bushings and shims for XB4 alu shock cap. 

Machined aluminum upper shock cap for XB4 shock absorbers. Optional alu upper shock cap offer an increased durability and extended life time.  

Rubber shim for XB4 alu shock cap. Set of 4. 

The springs have been specifically designed to complement the big bore shocks. Set of 2. 

Front progressive springs specifically designed for use with big bore shocks. Set of 2.
 

Optional springs specifically designed to complement the big-bore shocks.  

The springs have been specifically designed to complement the big bore shocks. Set of 2. 

FRONT linear springs have been specifically designed to complement the big-bore shocks.  

FRONT linear springs have been specifically designed to complement the big-bore shocks.  

FRONT linear springs have been specifically designed to complement the big-bore shocks.  

The springs have been specifically designed to complement the big bore shocks. Set of 2.

 

Rear progressive springs specifically designed for use with big bore shocks. Set of 2.
 

Optional springs specifically designed to complement the big-bore shocks.  

The springs have been specifically designed to complement the big bore shocks. Set of 2. 

The springs have been specifically designed to complement the big bore shocks. Set of 2. 

REAR linear springs have been specifically designed to complement the big-bore shocks.  

REAR linear springs have been specifically designed to complement the big-bore shocks. 

REAR linear springs have been specifically designed to complement the big-bore shocks. 

DMX high-performance, low-profile aerodynamic body made from high-quality premium Lexan® material.  

High-performance, low-profile aerodynamic body for XB4 for use in most track conditions. New, aggressive body is wider to fit the new wider layout. 

The all-new XB4 body features high-downforce areas (including front window and top roof flow channels) for proper air flow, and side downforce areas and top central rib for higher stability.  

High-performance, low-profile aerodynamic body for XB4 designed by XRAY to perfectly fit the car.  

Completely redesigned, high-performance, low-profile Alpha body with super-smooth airflow and all-new downforce areas. 

The optional ultra-lightweight completely redesigned, high-performance, low-profile Alpha body with super-smooth airflow and all-new downforce areas.  

Optional brass weight 2 x 20g. Quick & easy attachment to chassis at key locations. Fits both XB4 & XB4 2WD. Improves traction & stability. Set of 2. 

Specially-designed XB4 wheels fit perfectly, excellent for high-competition racing. Made from very flexible yet durable material to withstand impacts. 14mm internal hex.  

Specially-designed XB4 wheels fit perfectly, excellent for high-competition racing. Made from very flexible yet durable material to withstand impacts. 14mm internal hex.  

Specially-designed XB4 wheels with 12mm internal hex. Perfect fit, recommended for high-competition racing.  

Specially-designed 2WD/4WD rear wheels with 12mm internal hex. Perfect fit, perfect for high-competition racing.  

Specially-designed 4WD front wheels with 12mm internal hex. Perfect fit, and perfect for high-competition racing.  

Specially-designed 4WD & 2WD rear wheels with 12mm internal hex. Perfect fit, and perfect for high-competition racing.  

New high-speed ball-bearings manufactured specially for XRAY. ID x OD x thickness (mm) = 5x12x4. Set of 2 pieces. 

High-speed ball-bearings manufactured specially for XRAY. ID x OD x thickness (mm) = 10x15x4.  

Rubber o-rings in size 12x1mm suggested to use for XRAY XB4 shock absorbers in the upper cap to prevent the shocks from leaking. 

Silicone O-ring fits for 3mm shaft. 2.1mm thick. Set of 10.