Performance Replacement Head - Low Compression (82 cc) - Natural - Evolution Big Twin 1948 Unsurpassed extreme pressure additives and

Unsurpassed extreme pressure additives and surface active chemistry allow smooth shifting under peak loads and RPM

shift lever and shift arm

Debris screens in both pickups

Shift Rod - Deep Cut - Flat - Black

Performance Replacement Head - Low Compression (82 cc) - Natural - Evolution Big Twin 1948 Unsurpassed extreme pressure additives andPerformance Replacement Head Low Compression (82 cc) Natural 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.