Holley Replacement O-Ring - 300-656

Holley Replacement O-Ring - 300-656

Holley Replacement O-Ring

Holley Replacement O-Ring - For Gen III Hemi Hi-Ram - For PN[300-650/300-650BK/300-651/300-651BK/300-653/300-653BK];

Fits Intake Manifolds 300-650, 300-650BK, 300-651, 300-651BK, 300-653, 300-653BK

Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Sprint Cup Series team.