S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive Aero Skirt (Chin Curtain) included

Aero Skirt (Chin Curtain) included to help reduce wind noise

2015-2017 Yamaha YXC700 Viking VI

2019 Textron Alterra 570 XT

Includes primary clutch rollers

S&S Cycle 106-3233 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black drive Aero Skirt (Chin Curtain) included79cc 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