MANLEY 11683-1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen III/IV Small Block LS1 / LS2 / LS6 ymm_31 Durable forged aluminum construction ideal Description MANLEY 11886 1
Platform notes & fabric story
Description
MANLEY 11683 1 Exhaust Valve Extreme Duty Series for CHEVROLET Gen III IV Small Block LS1 LS2 LS6 ymm_31 Durable forged aluminum construction ideal Description MANLEY 11886 1 Durable forged aluminum construction ideal for high load engine builds Firebird 1967 1979 and Small Block Chevy restricted carburetor circle track competitors Underhead Angle: 25