Proform Harmonic Balancer Cover - Timing Marks - Chevy Bowtie Logo - Chrome - 8 in Balancers - Small Block Chevy Ignition Control Module particularly those using the external

particularly those using the external spark boxes

C4 / C6 / AOD / FMX

Chrome FinishSince 1938

1983-1990 GMC S15 Jimmy

Proform Harmonic Balancer Cover - Timing Marks - Chevy Bowtie Logo - Chrome - 8 in Balancers - Small Block Chevy Ignition Control Module particularly those using the externalProform Harmonic Balancer Cover Bow Tie Emblem 141 726 8 in. Chrome Patented Cover Offers Improved Readability More Stable Top Dead Center Indication Better Timing Accuracy Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Brookwood, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20 Pickup, C20 Suburban, C25 Pickup, C25 Suburban, C25 C2500 Pickup, C25 C2500 Suburban,