Proform Harmonic Balancer Cover - 8 in. 79999 Lambda and O2%

Lambda and O2%

Connects directly to the coils

Increased Horsepower And Torque

Precision Spherical Radius keeps your car rolling the corners free

Proform Harmonic Balancer Cover - 8 in. 79999 Lambda and O2%Proform Harmonic Balancer Cover 66518CC 8 in. Chrome Clamshell Package 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