AB Grind Camshaft. Fits Big Twin 1978-1984.

Features & Benefits:-

* You'll get more mid-range and top-end power for your street or drag bike

* These cams work with solid or hydraulic lifters, and the idle remains unaffected up to 6,000 rpm with stock valve springs.

* AB GRIND CAMS have an A intake plus a long duration exhaust for cooler running and high-end power