Ponitac Stroker Pistons | 4.155 Bore | 4.250 Stroke | 11.2-1 Compressi Performance Parts

4.155 bore | 4.250 stroke | 6.800 in. rod | 11.2-1 Compression with 72.0cc head chamber | CH 1.295 | -9.04cc | Pin Diameter .990 | Ring Widths 1.5 x 1.5 x 3.0mm | Works with stock cast iron and Edelbrock aluminum cylinder heads

Piston and ring set includes set of 8 2618 alloy forged pistons | 8 chromoly wrist pins | pin locks and premium piston ring set.