Proform Dual Idler Noisy Timing Gear Drive - Small Block Chevy Oil Cooler Core CNC port matched 220cc intake

CNC port matched 220cc intake and 115cc exhaust ports for optimum flow and power

which is when your brake pedal feels spongy

This new line of accessories features a design that is influenced by the original Elite Series originally released in 1985

repeatable "click" settings

Proform Dual Idler Noisy Timing Gear Drive - Small Block Chevy Oil Cooler Core CNC port matched 220cc intakeProform High Performance Timing Gear Drives 66917C Includes Locking Plate Offset Cam Bushings Roller Cam Bearing Bronze Thrust Bearing Machined For Noise Easy To Install Incl. Locking Plate; Offset Cam Bushings Roller Cam Bearing; Bronze Thrust Bearing 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,