RaceTec AutoTec Dished Forged Piston - 4.010 in Bore - GM LS-Series (Set of 8) 1001691 HLY550-511-3PX They are offered with two

They are offered with two port sizes

Laboratory Calibration to 1% Accuracy at

GM Fullsize Caliper

5 in Inlet

5-inches Tall

RaceTec AutoTec Dished Forged Piston - 4.010 in Bore - GM LS-Series (Set of 8) 1001691 HLY550-511-3PX They are offered with twoRaceTec AutoTec Dished Forged Piston 4. 010 in Bore GM LS Series (Set of 8) Product Description: Piston AutoTec Dished Forged 4. 010 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 10. 50 cc GM LS Series 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