S&S Cycle 106-3227 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Silver Powder-Coat protection S&S engineered high-flow catalysts (49-state

S&S engineered high-flow catalysts (49-state systems)

which uses a riderGÇÖs smart phone to display system operational status

2007-2011 Harley Davidson FXDB Street Bob

NOTE: 74in

Distance between upper and lower brackets must be between 7

S&S Cycle 106-3227 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Silver Powder-Coat protection S&S engineered high-flow catalysts (49-stateCompression 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