Speedmaster PCE267.1003 Dual Idler Noisy Timing Gear Drive Set for Chevy BBC

Chevy BBC 454 Dual Idler Noisey Timing Gear Drive Set PCE gear drives are great for you folks who want better timing. Their dual-idler design has CNC-machined components and they are easy to install. These drives fit under your stock timing cover and come complete with instructions. Minor machining may be required on some applications. CNC-machined components and they are easy to install These drives fit under your stock timing cover