CP Piston Bullet Race Series Olds 455 -12CC All 6 Deg 4.165 Bore 4.250 Stroke 6.735 Rod Set Of 8

These CP Pistons Bullet Race Series pistons are forged from high-strength aluminum, featuring a -12cc dish volume and designed for a 6-degree valve angle. They're built for an Oldsmobile 455 engine with a 4.165-inch bore, a 4.250-inch stroke, and utilize a 6.735-inch connecting rod. This set includes eight pistons, ready for a serious rebuild.

The forged construction means these pistons can handle the high cylinder pressures and temperatures common in performance applications. The specific dish volume and valve angle are critical for achieving the desired compression ratio and ensuring proper valve clearance within your engine build. With a 4.165-inch bore, these are sized for a specific overbore, allowing for a fresh cylinder wall surface and optimal piston-to-wall clearance. The 6.735-inch rod length is also a key dimension that influences the piston's compression height and overall engine geometry.

This set is intended for builders who know exactly what they need for their custom Olds 455 build. Because these are specialized racing pistons, they are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.