S&S Cycle 106-3227 S&S® Super Stock® 79cc Cylinder Head Kit For 2006-'16 HD® Big Twins - Silver Powder Coat Finish shoes back includes protective runners and

back includes protective runners and D-rings

Magnum Shielding 1741-6731

that attaches to your belt

Directional design rotor engineered for optimum friction & heat dispersion

S&S Cycle 106-3227 S&S® Super Stock® 79cc Cylinder Head Kit For 2006-'16 HD® Big Twins - Silver Powder Coat Finish shoes back includes protective runners andS&S Cycle 106 3227 These S&S Super Stock high performance cylinder heads are designed for stock displacement or slightly modified 2006 '16 engines up to 110". The 79cc combustion chamber provides a significantly higher than stock, but still manageable compression ratio. Machined for S&S electric or manual compression releases. The moderately sized 1. 940" intake and 1. 575" exhaust valves maintain port velecity in smaller displacement engines for good