For jetting most stock and performance engines Made in the U.S.A.

High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and roller bearings Rods are deep-forged and heat-treated, 0...

The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads The stock assembly includes a check ball retainer that is formed steel Over...

Race inspired Grand National endcap High flowing baffle design Aggressive sound and excellent horsepower Removable dB reducer 4" outer diameter Made in U.S.A. Compatible...

For S&S A/B/E, Tillitson, Bendix and Keihin butterfly carburetors Increased airflow Eliminates the possibility of severe engine damage due to extreme lean conditions created by cracks in...

Big Bore kit yields excellent results with stock cylinder heads This is the largest bore (3.937") tha tcna fit in a stock engine case Stock engine height is maintained so there are no manifold...

Piston kit includes set of forged pistons, rings, wristpins, and clips for a complete motor Will fit up to a 4-5/8" stroke +.010" bore oversize Made in the U.S.A.

Big Bore kit yields excellent results with stock cylinder heads Stock engine height is maintained so there are no manifold or frame fitment issues Cylinders feature increased fin area for better...