RaceTec AutoTec Twisted Wedge Forged Flat Top Piston - 4.125 in Bore - Small Block Ford - (Set of 8) 1000365 54961 When tightened the "O" ring

When tightened the "O" ring is compressed

8L engine using a slip fit catalytic converter

Manufactured by Wiseco Performance Products

Blazer 2005-2003

RaceTec AutoTec Twisted Wedge Forged Flat Top Piston - 4.125 in Bore - Small Block Ford - (Set of 8) 1000365 54961 When tightened the "O" ringRaceTec AutoTec Twisted Wedge Forged Flat Top Piston 4. 125 in Bore Small Block Ford (Set of 8) Product Description: Piston AutoTec Twisted Wedge Forged Flat Top 4. 125 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 3. 80 cc Small Block Ford 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