CAMS W/IN GRS MR103 99-06

MR103 Camshaft with Inner Gears Only

Intended for camshaft replacement for motors that have already been converted to an S&S gear drive system

Broad torque curve improves output over stock over the entire rpm range

Bolt-in for 103" engine

Made in the USA

Requires the use of high-performance valve springs.

Due to the inherent characteristics of gear drives, there may be more valve train noise.

Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.

Intended for camshaft replacement for motors that have already been converted to an S&S gear drive system. Requires the use of high-performance valve springs. Due to the inherent characteristics of gear drives, there may be more valve train noise.