S&S Cycle 79 cc Super Stock Cylinder Head Fits Harley-Davidson Big Twin Twin Cam 1999-2005

S&S Cycle 79 cc Super Stock Cylinder Head Fits Harley-Davidson Big Twin Twin Cam 1999-2005

S&S Super Stock 79 cc cylinder heads deliver port velocity for strong low and mid-range response while supplying the airflow stock and slightly larger engines need to reach their full potential.

Key Features

• Pair of fully assembled S&S Super Stock 79 cc cylinder heads with springs and valves
• Works with 88 cubic-inch through 103 cubic-inch stock motors and is ideal for larger stroker or big-bore engines up to 110 cubic inches
• Large 1.940 inch intake valves and 1.575 inch exhaust valves maintain port velocity for strong low and mid-range response
• S&S high-performance valve springs

Technical Specifications

• Combustion Chamber Volume: 79 cc
• Intake Valve: 1.940 inch
• Exhaust Valve: 1.575 inch
• Application Range: 88-103 ci stock / up to 110 stroker or big bore
• Unit of Measure: Pair

Fitment Notes

• Compatible with Harley-Davidson 1999-2005 Big Twin chassis fitted with the Twin Cam engine (88, 95, or 103 cubic inches per supplied data).
• Ideal for stroker or big-bore builds up to 110 cubic inches.
• Refer to the Fitment tab for the full year and platform breakdown.
• Not affiliated with or endorsed by Harley-Davidson.