Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223644

Summit Racing™ Pro SBC LS firing order hydraulic roller retrofit cams are available in seven stages–from a small smooth idle cam capable of towing, to a big duration stomper that’s ready to go bracket racing. Utilizing the LS firing order on a traditional small block Chevy improves the engine in several ways, including exhaust sound and harmonic improvements. These kits include a premium camshaft and drop-in link bar style hydraulic roller lifters. Best of all: these Pro SBC LS firing order hydraulic roller retrofit cams are precision-ground in the USA on USA billets! Order the cam recommended or your application.