RaceTec AutoTec Forged Dished Piston - 4.155 in Bore - Small Block Chevy (Set of 8) 1000209 M3D9398-09 machined to ultra-high tolerances and

machined to ultra-high tolerances and fully rebuildableThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

tube design provides great exhaust flow to let your Ford truck or Bronco's 351M of 400 engine breathe easy

Precision built AFCO Gauges will warn you of trouble before it becomes a problem

Hardware / U-Bolts

5" Hg / #HLY125-35 - Opening Vacuum 3

RaceTec AutoTec Forged Dished Piston - 4.155 in Bore - Small Block Chevy (Set of 8) 1000209 M3D9398-09 machined to ultra-high tolerances andRaceTec AutoTec Forged Dished Piston 4. 155 in Bore Small Block Chevy (Set of 8) Product Description: Piston AutoTec Forged Dished 4. 155 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 24. 80 cc Small 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