Replacement Valve Seats for ABH and SBH Heads
Options:
SBH - Standard Valve Intake 1.286" and Exhaust 1.105"
SBH - Standard Valve Oversized +0.010" Intake 1.296 and Exhaust 1.115"
SBH and ABH - Big Valve Intake 1.376" and Exhaust 1.131"
SBH and ABH - Big Valve Oversized +0.010" Intake 1.386 and Exhaust 1.141"
