S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive Includes primary clutch rollers

Includes primary clutch rollers

Aluminum construction

2019 Textron Alterra 570 XT

1980-1983 Harley Davidson FLT Tour Glide

1986-1987 Honda ATC250ES Big Red

S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive Includes primary clutch rollers79cc heads work great with stock motors for 88in. to 103in. motors. 79cc have 1. 940in. intake and 1. 575in. exhaust valve and springs for up to . 640in. lift. 79cc heads accept OEM rocker boxes. Must use S&S rocker boxes (PART #90 4110) if S&S compression releases are used. High port flow gives great performance now, and more later when additional upgrades are done. Heads are fully assembled with springs and valves, and are available in silver or