RaceTec AutoTec Forged Dished Piston - 4.130 in Bore - GM LS-Series (Set of 8) H76903FL The X Groove is a

The X Groove is a major breakthrough in the racing world

Mallory Unilite / E-Spark

1963-1981 Pontiac Catalina

Includes 1/8 NPT sensor with brass adapters for 1/4 NPT and 1/8 BSPT

RaceTec AutoTec Forged Dished Piston - 4.130 in Bore - GM LS-Series (Set of 8) H76903FL The X Groove is aProduct Description: Piston AutoTec Forged Dished 4. 130 in Bore 1. 5 x 1. 5 x 3. 0 mm Ring Grooves Minus 20. 90 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 engines, and has raced everythingboats, motorcycles, even airplanes. Wayne was