RaceTec AutoTec Forged Dome Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000690 184500 Commonly used on the rear

Commonly used on the rear coil-overs

1955-1957 GMC Truck

installing at the stock engine oil filter location

Camshaft Lift 0

RaceTec AutoTec Forged Dome Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000690 184500 Commonly used on the rearRaceTec AutoTec Forged Dome Piston 4. 5 in Bore Big Block Chevy (Set of 8) Product Description: Piston AutoTec Forged Dome 4. 500 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Plus 32. 70 cc Big Block Chevy Set of 8 RaceTec Pistons was founded by Wayne Brooks, and is his second venture into the piston manufacturing industry. In addition to owning a successful aerospace manufacturing company for years, Wayne was an avid racer. He has always modified