S&S Cycle 106-3227 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Silver Powder-Coat riding-apparel Two zippered rear vents

Two zippered rear vents

The internal Amber colored drop-down sun-visor allows you to adjust to changing lighting conditions throughout the day

1999-2005 Harley Davidson FXSTS Springer Softail

1982-1983 Harley Davidson FXRS Low Glide

S&S Cycle 106-3227 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Silver Powder-Coat riding-apparel Two zippered rear ventsCompression release machining 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 black powder coat finish to match OEM components. Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement. Heads are machined