ANDREWS J Grind Cam — 242° duration, 0.405" lift – 70-77 Big Twin

The J Grind Cam delivers more mid-range and top-end power for street and drag bikes. 🚀

Computer designed and precision ground from alloy steel billets on Landis CNC cam grinders for consistent performance and durability.

These cams work with solid or hydraulic lifters and maintain a smooth idle; idle remains unaffected up to 6,000 rpm with stock valve springs. Bolt-in installation requires no head work on most engines — verify coil bind, valve-to-valve clearance, and valve-to-piston clearance before installation.

Made in the USA. On late '77 and later engines the pitch diameter on the camshaft, pinion gear, and breather valve gear was changed; these components are not interchangeable with earlier-style parts unless replaced as a set. Late '77 and later gear sets are identified by a circular groove machined in the outer face of the cam gear. 🇺🇸