S&S CYCLE Performance Replacement Head - Low Compression (82 cc) - Wrinkle Black - Evolution Big Twin 106-4570

Performance Replacement Head - Low Compression (82 cc) - Wrinkle Black - Evolution Big Twin
Fully assembled, and include stainless steel valves and high-lift springs, Optimized for smaller displacement engines, Available to be used with stock-style flat-top pistons, Port design increases flow, while maintaining velocity, Set up for .585" maximum lift, EFI compatible, Made in the USA, Intake manifold and gasket kits are sold separately.