S&S heads are available to be used with stock-style flat-top pistons
Kits are fully assembled, and include stainless steel valves and high-lift (.585") springs
Intake manifold and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
Optimized for smaller displacement engines
Slight increase in compression (8.8:1 in an 80" motor) with 82cc chamber volume
Port design increases flow, while maintaining velocity