Oldsmobile 455 pistons forged step dish top piston and ring set | .030 oversize 4.156 bore | 9.3-1 compression with 80cc chamber | 4.250 stroke | 6.735 rod | 1.750 compression height | .980 wrist pin | 1/16 1/16 3/16 ring grooves | step dish top -25cc | 2618 Alloy | weight piston 583 grams wrist pin 149 grams
High strength forged piston set for use in stock and high performance 455 engine. Set includes 8 pistons 8 wrist pins Piston rings and locks. Centered pin. Use O.E. or Edelbrock style heads. Part number ic887ktd-30
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