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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!

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Compatible models
1/5 Baja 5-Series 1/8 Apache SC & C1 1/8 E-Savage MT 1/8 Hellfire 1/8 Ken Block WR8 1/8 Savage Flux 1/8 Savage-X 1/8 Savage-XL 1/10 Blitz 1/10 Bullet MT & ST 1/10 Crawler King 1/10 E10 1/10 Firestorm 1/10 Jumpshot 1/10 R40 Nitro 1/10 RS4 1st & 2nd 1/10 RS4 3rd. Gen 1/10 RS4 SS & RTR3 1/10 Sprint 2 Drift 1/10 Sprint 2 TC 1/10 Wheely King 1/12 Savage XS Flux 1/18 Micro RS4
Part, color, and availability
Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 10%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho V-One-R | Kyosho FW-05R & FW-06

C30020SILVER
Type: Shock
$9.89 $10.99
Save 10%
in stock
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Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 10%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho V-One-R | Kyosho FW-05R & FW-06

C30020RED
Type: Shock
$9.89 $10.99
Save 10%
in stock
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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 V-One-R | Kyosho FW-05R & FW-06

C30020PURPLE
Type: Shock
$10.99
in stock
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Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) Save 16%

Alloy Shocks w/ Hard Springs for 1/10 Touring Car & Drift Car (L=58mm) | Kyosho V-One-R | Kyosho FW-05R & FW-06

C30020GUN
Type: Shock
$9.23 $10.99
Save 16%
in stock
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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 V-One-R | Kyosho FW-05R & FW-06

C30020GOLD
Type: Shock
$10.99
in stock
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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 V-One-R | Kyosho FW-05R & FW-06

C30020BLUE
Type: Shock
$10.99
in stock
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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 V-One-R | Kyosho FW-05R & FW-06

C30020BLACK
Type: Shock
$10.99
in stock
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S12 Type Replacement O-Ring (4) for C25910 Competition Shock Save 18%

S12 Type Replacement O-Ring (4) for C25910 Competition Shock | Kyosho V-One-R | R40 Nitro | FF Front Wheel Drive | FF03 | TT-01

C25918
Type: O-Ring On-Road Spring Kit
$4.91 $5.99
Save 18%
in stock
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Precision Machined TiN Coated Shock Shaft (2) for C25910 Competition Shock Save 78%

Precision Machined TiN Coated Shock Shaft (2) for Tamiya, TRF, Yokomo & 3Racing | YR4/MR4/BD Series | Kyosho V-One-R | R40 Nitro | Sakura Zero S | FF Front Wheel Drive | TT-01

C25916
Type: Shock Shaft Shock On-Road Spring Kit
$1.76 $7.99
Save 78%
in stock
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P3 Replacement Blue O-Ring 4pcs for C25910 Competition Shock Save 78%

Low Friction Blue O-Ring 4pcs 7x3x2mm for TRF, Yokomo & 3Racing 3mm Shock Shafts | YR4/MR4/BD Series | Kyosho V-One-R | R40 Nitro | Sakura Zero S | FF Front Wheel Drive | FF03 | TT-01

C25911
Type: Shock Shaft O-Ring On-Road Spring Kit
$0.88 $3.99
Save 78%
in stock
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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 | Kyosho V-One-R | R40 Nitro | FF Front Wheel Drive | FF03 | TT-01

C25910PINK
Type: Shock
$32.75 $38.99
Save 16%
in stock
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XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Kyosho V-One-R | R40 Nitro | FF Front Wheel Drive | FF03 | TT-01

C25910GUN
Type: Shock
$38.99
in stock
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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 | Kyosho V-One-R | R40 Nitro | FF Front Wheel Drive | FF03 | TT-01

C25910GREEN
Type: Shock
$34.70 $38.99
Save 11%
in stock
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XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car

XSR11 Competition 52-55mm Racing Shock (2) for 1/10 Touring Car & Drift Car | Kyosho V-One-R | R40 Nitro | FF Front Wheel Drive | FF03 | TT-01

C25910GOLD
Type: Shock
$38.99
in stock
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831RED
Type: Shock
$20.99
in stock
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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) | Kyosho V-One-R | Kyosho FW-05R & FW-06

C23831PURPLE
Type: Shock
$20.99
Out of stock
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831ORANGE
Type: Shock
$20.99
in stock
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831LIGHTBLUE
Type: Shock
$20.99
in stock
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831GUN
Type: Shock
$20.99
in stock
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831GREEN
Type: Shock
$20.99
Only 1 left!
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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) | Kyosho V-One-R | R40 Nitro | Kyosho FW-05R & FW-06

C23831GOLD
Type: Shock
$20.99
in stock
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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) | Kyosho V-One-R | R40 Nitro

C23831BLUE
Type: Shock
$20.99
in stock
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