S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive 1984-1990 Harley Davidson FLTC Tour

1984-1990 Harley Davidson FLTC Tour Glide Classic

Aluminum construction

1995-1998 Harley Davidson FLHT Electra Glide Standard

2019 Textron Alterra 570 XT

S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive 1984-1990 Harley Davidson FLTC Tour79cc 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