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Hop-up Parts for HPI 1st & 2nd Generation RS4

Discover top-quality hop-up parts specifically designed for the HPI 1st and 2nd Generation RS4. Elevate your RC car's performance with our extensive selection of upgrades, ensuring enhanced speed, durability, and precision. Whether you're a seasoned racer or a hobbyist, our premium components will help you achieve the ultimate driving experience. Explore our range today and take your HPI RS4 to the next level!

102 products

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Choose a part type or color for this vehicle. Use Switch model only when you want a different vehicle; stock is controlled above.

Compatible models
1/10 Blitz / Firestorm 1/10 Bullet MT & ST 1/10 Crawler King / Wheely King 1/10 E10 1/10 Jumpshot 1/10 R40 Nitro 1/10 RS4 1st & 2nd 1/10 RS4 3rd. Gen 1/10 Sprint 2 Drift 1/12 Savage XS Flux 1/18 Micro RS4 1/5 Baja 5-Series 1/8 Apache SC & C1 1/10 E-Savage MT 1/8 Hellfire 1/8 Ken Block WR8 1/8 Savage Flux 1/8 Savage-X 1/8 Savage-XL
Part type / Color
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Universal RC Setup Station for Most 1/8 & 1/10 GT, Off-Road, SC & Monster Trucks

Universal RC Setup Station for 1/8 & 1/10 GT, Off-Road, SC & MT | Fits: Kyosho V...

In stock
C32380
$99.99 USD
Type C Adapters for C23115 Universal Setup Station System Sold out

Type C Adapters for C23115 Universal Setup Station System | Jato 2.5 & Jato 3.3 ...

Sold out
C23130
$20.99 USD
12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 16%

12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31082SILVER
$6.71 USD $7.99
Save 16%
Professional Setup Station System for Most 1/10 Touring Car & Drift Car

Professional Setup Station System for Most 1/10 Touring Car & Drift Car | Kyosho...

In stock
C26395BLACK
$99.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31080RED
$7.99 USD
12mm Hex Wheel (4) Hub 8mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 8mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C30081
$7.99 USD
Professional 1/10 On-Road Touring & Drift Chassis Setup System

Professional 1/10 On-Road Touring & Drift Chassis Setup System | Kyosho V-One-R ...

In stock
C33828
$79.99 USD
Professional Setup Station System for Most 1/10 Touring Car & Drift Car

Professional Setup Station System for Most 1/10 Touring Car & Drift Car | Kyosho...

In stock
C26395BLUE
$99.99 USD
Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift

Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift |...

In stock
C24014ORANGE
$89.99 USD
Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift Save 6%

Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift |...

In stock
C24014LIGHTBLUE
$84.59 USD $89.99
Save 6%
14X25mm Type Spring (2) 6.5 Coils 1.5mm Wire for C25910 Competition Shock Save 35%

14X25mm Type Spring (2) 6.5 Coils 1.5mm Wire for Tamiya, TRF, Yokomo & 3Racing |...

In stock
C25922
$3.89 USD $5.99
Save 35%
Rubber Bladder & Rebound Sponge Set (4) for C25910 Competition Shock Save 73%

Rubber Bladder & Rebound Sponge Set(4) for Tamiya, TRF, Yokomo, 3Racing & C25910...

In stock
C25917
$1.62 USD $5.99
Save 73%
Precision Machined TiN Coated Shock Shaft (2) for C25910 Competition Shock Save 73%

Precision Machined TiN Coated Shock Shaft (2) for Tamiya, TRF, Yokomo & 3Racing ...

In stock
C25916
$2.16 USD $7.99
Save 73%
6mm Type Plastic Rod End & Spring Retainer Package for C25910 Competition Shock Save 62%

6mm Type Plastic Rod Ends & Spring Retainers for Tamiya, TRF, Yokomo & 3Racing |...

In stock
C25915
$3.04 USD $7.99
Save 62%
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Sold out

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

Sold out
C25910GUN
$38.99 USD
Realistic 1/10 Size Aluminum Rear Wing 165mm Width

Realistic 1/10 Size Aluminum Rear Wing 165mm Width | FF Front Wheel Drive | FF03...

In stock
C24896GUN
$20.99 USD
Carbon Fiber Composite Rear Wing 187mm for Drift Racing and 1/10 Touring Cars Save 3%

Carbon Fiber Composite Rear Wing 187mm for Drift Racing and 1/10 Touring Cars | ...

In stock
C24219SILVER
$22.30 USD $22.99
Save 3%
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

Sold out
C31083SILVER
$3.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

Sold out
C31083RED
$3.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

Sold out
C31083GUN
$3.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

Sold out
C31083GREEN
$3.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31083BLUE
$3.99 USD
12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31082RED
$7.99 USD
12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 10%

12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31082GUN
$7.19 USD $7.99
Save 10%
12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 16%

12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31082BLUE
$6.71 USD $7.99
Save 16%
12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 7mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31082BLACK
$7.99 USD
12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 21%

12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31081SILVER
$6.31 USD $7.99
Save 21%
12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

Sold out
C31081RED
$7.99 USD
12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 15%

12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31081GUN
$6.79 USD $7.99
Save 15%
12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31081BLUE
$7.99 USD
12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 6mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31081BLACK
$7.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31080SILVER
$7.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31080GUN
$7.99 USD
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 10%

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31080BLUE
$7.19 USD $7.99
Save 10%
12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 5mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C31080BLACK
$7.99 USD
12mm Hex Wheel (4) Hub 10mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 10mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | ...

In stock
C30075
$7.99 USD
12mm Hex Wheel (4) Hub 9mm Thick for 1/10 Traxxas, Axial, Tamiya, TC & Drift Save 9%

12mm Hex Wheel (4) Hub 9mm Thick for 1/10 Traxxas, Axial, Tamiya, Drift & TC | S...

In stock
C30074
$7.27 USD $7.99
Save 9%
12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, TC & Drift

12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, Drift & TC | S...

In stock
C27944SILVER
$7.99 USD
12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, Drift & TC | S...

Sold out
C27944RED
$7.99 USD
12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, TC & Drift Sold out

12mm Hex Wheel (4) Hub 6mm Thick for Traxxas 1/10, Axial, Tamiya, Drift & TC | S...

Sold out
C27944BLUE
$7.99 USD
Precision Type Replacement Axle Adapters for Setup Station C24014 Save 73%

Precision Type Replacement Axle Adapters for Setup Station C24014 | Kyosho V-One...

In stock
C25378
$3.51 USD $12.99
Save 73%
Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift

Universal Setup Station System for Traxxas 1/16, Most 1/10 Touring Car & Drift |...

In stock
C24014BLACK
$89.99 USD
Universal Setup Station w/ Bag for Most 1/8 & 1/10 Off-Road, SC & Monster Trucks Sold out

Universal Setup Station w/ Bag for 1/8 & 1/10 Off-Road, SC & MT | Fits: Kyosho V...

Sold out
C23291
$119.99 USD
Universal Setup Station for Most 1/8 & 1/10 GT, Off-Road, SC & MT

Universal Setup Station for 1/8 Off-Road, MT, & 1/10 GT | Fits: Kyosho V-One-R, ...

In stock
C23115
$99.99 USD
Realistic Small (6) License Plate 34x15mm Size Scale Model Save 16%

Realistic Small License Plate Scale Model 34x15mm - 6 Pack | Fits: SCX-10, Bigfo...

In stock
C33360
$17.63 USD $20.99
Save 16%
Realistic Medium (6) License Plate 34x19mm Size Scale Model Save 21%

Realistic Medium License Plate 34x19mm Size Scale Model - 6 Pack | Fits: SCX-10,...

In stock
C33359
$16.58 USD $20.99
Save 21%
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 15%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020SILVER
$9.34 USD $10.99
Save 15%
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 15%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020RED
$9.34 USD $10.99
Save 15%
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm)

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020PURPLE
$10.99 USD
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 21%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020GUN
$8.68 USD $10.99
Save 21%
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm)

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020GOLD
$10.99 USD
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm)

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020BLUE
$10.99 USD
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm)

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho ...

In stock
C30020BLACK
$10.99 USD
14X25mm Type Spring (2) 5.5 Coils 1.4mm Wire for C25910 Competition Shock Save 73%

14X25mm Type Spring (2) 5.5 Coils 1.4mm Wire for Tamiya, TRF, Yokomo & 3Racing |...

In stock
C25921
$1.62 USD $5.99
Save 73%
14X25mm Type Spring (2) 5.75 Coils 1.4mm Wire for C25910 Competition Shock Save 73%

14X25mm Type Spring (2) 5.75 Coils 1.4mm Wire for Tamiya, TRF, Yokomo & 3Racing ...

In stock
C25920
$1.62 USD $5.99
Save 73%
Speed Tune Spring Set (6) for C25910 Competition Shock Save 16%

Speed Tune Spring Set (6) for Tamiya, TRF, Yokomo, 3Racing & C25910 | YR4/MR4/BD...

In stock
C25919
$11.75 USD $13.99
Save 16%
S12 Type Replacement O-Ring (4) for C25910 Competition Shock Save 23%

S12 Type Replacement O-Ring (4) for C25910 Competition Shock | Kyosho V-One-R | ...

In stock
C25918
$4.61 USD $5.99
Save 23%
Ball Nut M3 6mm Type 4pcs for C25910 Competition Shock Save 73%

Ball Nut M3 6mm Type 4pcs for Tamiya, TRF, Yokomo, 3Racing & C25910 | YR4/MR4/BD...

In stock
C25914
$2.16 USD $7.99
Save 73%
1.1mm 3 Hole 10mm Piston & Spacer Package for C25910 Competition Shock Save 73%

1.1mm 3 Hole 10mm Piston & Spacer Package for Tamiya, TRF, Yokomo, 3Racing | YR4...

In stock
C25912
$2.16 USD $7.99
Save 73%
P3 Replacement Blue O-Ring 4pcs for C25910 Competition Shock Save 73%

Low Friction Blue O-Ring 4pcs 7x3x2mm for TRF, Yokomo & 3Racing 3mm Shock Shafts...

In stock
C25911
$1.08 USD $3.99
Save 73%
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Save 16%

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

In stock
C25910PINK
$32.75 USD $38.99
Save 16%
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Sold out

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

Sold out
C25910LIGHTBLUE
$38.99 USD
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Save 11%

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

In stock
C25910GREEN
$34.70 USD $38.99
Save 11%
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Sold out

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

Sold out
C25910GOLD
$38.99 USD
XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car Sold out

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Ky...

Sold out
C25910BLACK
$38.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831RED
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) Sold out

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

Sold out
C23831PURPLE
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831ORANGE
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831LIGHTBLUE
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831GUN
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831GREEN
$20.99 USD
Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm)

Billet Machined XSR7 Shock Set for 1/10 Touring Car & Drift Car (L=56mm-59mm) | ...

In stock
C23831GOLD
$20.99 USD