Oldsmobile 400 425 455 Dual Idler Noisey Timing Gear Drive Set These standard-depth transmission pans from

These standard-depth transmission pans from Speedmaster are quality replacement for your pan

along with optimized winding

most notably the cylinder heads

Pop-Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components

and flame ball-milled finishes

Oldsmobile 400 425 455 Dual Idler Noisey Timing Gear Drive Set These standard-depth transmission pans fromSpeedmaster 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.