Product Information
Stock-height basic engine is direct bolt in replacement for aging 80 H-D Evolution engines
Does not include carb or ignition; use stock or aftermarket carburetor and air cleaner
508 cam
Forged rocker arms
585 valve springs
Flat top cast pistons
S&S standard oil pump
S&S performance replacement heads
3-1/2in. x 4-1/4in. bore and stroke
8.4:1 compression ratio
Wrinkle black finish
Made in the USA