RaceTec AutoTec Forged Flat Top Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000246 33-345680 aluminum or cast-iron

aluminum or cast-iron

5" polished 304 stainless steel tips

280" pistons

2-1/2 in Lip OD

RaceTec AutoTec Forged Flat Top Piston - 4.5 in Bore - Big Block Chevy (Set of 8) 1000246 33-345680 aluminum or cast-ironRaceTec 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