Motorcycle Racing Valve Spring Kits

APE Valve Spring and Retainer Kit Honda CBR1000RR (08-16)

    Take your engine's performance to new heights with the renowned APE valve springs, meticulously crafted from

APE Valve Spring and Retainer Kit Kawasaki ZX14R (06-25)

  A complete valve spring and titanium retainer kit for the Kawasaki ZX14R. The new APE springs feature incre

APE Valve Spring Kit Kawasaki KZ900-1000-J-GPZ

  World famous Kawasaki APE valve springs are made from premium chrome silicone wire for consistent pressu

APE Valve Spring Kit Kawasaki ZX-10R (04-25)

    Elevate your Kawasaki ZX-10R's performance with the world-renowned APE valve springs &n

APE Valve Spring Kit Kawasaki ZX12 (00-05)

  World famous Kawasaki ZX-12 APE valve springs are made from premium chrome silicone wire for consistent 

APE Valve Spring Kit Suzuki GS1100-GS1150

World famous Suzuki GS1100-GS1150 APE valve springs are made from premium chrome silicone wire for consistent p

APE Valve Spring Kit Suzuki GSX-8R (24-25)

This new APE kit features increased pressures from seat to max lift and an additional .085" more travel than OEM springs. More than enough pressure to control aggressive cam lobe

APE Valve Spring Kit Suzuki GSXR1000 (01-08)

Nearly a year in development. APE, in partnership with with racing's leading racing spring manufacturer, has introduced th

APE Valve Spring Kit Suzuki GSXR1000 (09-25)

  Experience the culmination of nearly a year of meticulous development – introducing the APE Racing Performanc

APE Valve Spring Kit Suzuki Hayabusa (99-24)

  World famous Suzuki Hayabusa APE valve springs are made from premium chrome silicon wire for consistent&

Carpenter Valve Springs Kawasaki ZX10R (04-10)

  Carpenter Racing Valve Springs are 60psi on the sea

Carpenter Valve Springs Kawasaki ZX10R (11-25)

  Carpenter Racing Valve Springs are 60psi on the sea

Carpenter Valve Springs Kawasaki ZX14R (06-25)

Carpenter Racing Valve Springs are 62psi on the seat and can handl

Carpenter Valve Springs Suzuki GSXR1000 (01-08)

  Carpenter Racing Valve Springs are 50psi on the sea

Carpenter Valve Springs Suzuki GSXR1000 (09-25)

  Carpenter Racing Valve Springs are 60psi on the sea

Carpenter Valve Springs Suzuki Hayabusa (99-24)

  Carpenter Racing Valve Springs are the most popular

HTP Valve Spring Kit Suzuki GSXR1000 (17-25)

HTP Performance has released their performance valve spring kit for the Suzuki GSX-R1000 (17+).  These valve springs are design

Vance & Hines Valve Spring Kit Yamaha YZF-R6 (06-25)

Vance & Hines Motorsports High-Performance 

Vance & Hines Valve Springs Suzuki Hayabusa (99-26)

If you’re turning the RPM up on your Hayabusa, these Vance & Hines valve springs are built to keep everything under control. Nano-peened, polished, and 100% load tested, they’re designed for...