Product Details
Harley Davidson Heritage Softail 1989, Super Stock™ Cylinder Head Kit by S&S Cycle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.
Notes
- For 3-1/2" and 3-5/8" Bore.
Specifications
Cylinder Volume: 76.5 CC |
Cylinder Bore Size: 3-1/2" - Standard - 3-5/8" |
Material: Aluminum |
Features
- Complete head assembly with valves and S&S® 0.640" lift springs
- Machined with a stock bolt pattern
- Larger, more open combustion chamber presents less resistance to air flow around the valves
- 2.000" intake valves and 1.605" exhaust valves
- Special "cast shape" intake ports with a special directional fin for improved air flow
- Precision CNC-machined from heat-treated aircraft quality aluminum castings
- Made in USA
- Precise engineering ensures the latest in quality
- Expertly manufactured from highly reliable materials
- Rigorous quality control and great functionality
Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.