Pontiac Pistons 400 Flat Top Pistons

4.155 bore | 3.750 stroke | 6.700 in. rod | 10.1-1 Compression with 69.0cc head chamber | CH 1.630 | -7.14cc | 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.

4.181 bore | 3.750 stroke | 6.700 in. rod | 10.1-1 Compression with 69.0cc head chamber | CH 1.630 | -7.14cc | 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.

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.

4.181 bore | 4.250 stroke | 6.800 in. rod | 11.6-1 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.

High strength forged piston set for use in stock and high performance 400 engine. Set includes 8 pistons 8 wrist pins Piston rings and locks. Centered pin. Use O.E. or Edelbrock style heads. Some stock rods may need to be narrowed and balance pad removed. Part number ic890ktd-30