Carpenter Racing Valve Springs are the most popular valve spring for the Suzuki Hayabusa and will work with cams up to .445″ lift with stock or aftermarket retainers.
The 60psi springs are recommended for nearly all application including all motor and nitrous. The 70psi springs are recommended for turbo applications only.
- 1999-2013 Hayabusa
- 70lb Heavy duty valve springs
- This is the same valve springs used in our 213mph turbo Hayabusa