Product Description
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.
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great springs
this is the second and third sets of these i have used really like how they work
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Carpenter Springs
These are the best Springs on the market...