S&S CYCLE Super Stock® Cylinder Head Kit — 3-5/8" bore, single spark plug – 79-84 Big Twin, 79-83 Touring, 82-84 FXR, 84 Police

These cylinder heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars, and valve keepers.

The kit includes rocker cover gaskets, head gaskets, exhaust flange gaskets, and the hardware needed to mount rocker housings, top engine mount, and carb support bracket, plus clear instructions.

They maintain a stock appearance while providing better airflow than standard heads and are designed for use with OEM manifolds and exhaust.

Rocker boxes are fastened with 5/16"-18 cap screws instead of the stock studs and nuts.

Made in the USA.

Kit Includes:

• Front and rear cylinder head assemblies
• Rocker box gaskets
• Copper head gaskets
• Exhaust gaskets
• Hardware
• Instructions