RaceTec AutoTec Forged Flat Top Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000252 WIL160-15561-B Constructed out of cast A356-T6

Constructed out of cast A356-T6 aluminum and uses a proprietary internal bolt design to help increase the flow and provide a solid seal void of leaks or deformities

Water pump shims have dual bolt hole pattern to fit most GM and Ford water pumps

Withstands temperatures up to 1200

Launch harder

RaceTec AutoTec Forged Flat Top Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000252 WIL160-15561-B Constructed out of cast A356-T6RaceTec AutoTec Forged Flat Top Piston 4. 5 in Bore Big Block Chevy (Set of 8) Product Description: Piston AutoTec Forged Flat Top 4. 500 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 3. 00 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