S&S Cycle SS90-1498 Cylinder Head Kit Natural for Big Twin 66-84 w/3.5" Stock Bore available in chrome or ceramic

available in chrome or ceramic black

CAN/Bus bikes require (1) module for front and (1) module for the rear turn signals

allowing the use of wideband oxygen sensors

because with this motorcycle jacket you will be fully prepared for all weather conditions thanks to the Vertical GTX motorcycle jacket

S&S Cycle SS90-1498 Cylinder Head Kit Natural for Big Twin 66-84 w/3.5" Stock Bore available in chrome or ceramicS&S Super Stock band style cylinder heads for 1979 '84 HD big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S&S valve springs that can handle cams with lifts up to . 590". These heads are machined for onespark plug per head and accept stock bore 74" or 80" cylinders. These cylinder heads are original equipment on S&S SH Series engines, and are a great upgrade for stock