PISTONS (8),HYPER.,383,5.7" ROD,4"+.020" Large Rubber Springs-3.345" O.D. Parts 1/4"-20 X 1-3/8" (4-1/4" LONG)

1/4"-20 X 1-3/8" (4-1/4" LONG)

TEAROFFS TO FIT IMPACT BIG CHAMP

LOCK WASHER

Chevy: 1982-1992 Camaro

Hardware Included: Yes

PISTONS (8),HYPER.,383,5.7" ROD,4"+.020" Large Rubber Springs-3.345" O.D. Parts 1/4"-20 X 1-3/8" (4-1/4" LONG)383 HYPEREUTECTIC PISTONS FOR 5. 7" RODS 4" +. 020" BORE HYPEREUTECTIC PISTONS WITH ANTI FRICTION SKIRT COATING ARE IDEAL FOR OVAL TRACK RACING, BRACKET RACING, & STREET USE BY COMBINING THE HYPEREUTECTIC ALLOY WITH THE PERMANENT MOLD PROCESS, THE PISTON IS STRONG, LIGHTWEIGHT, & THERMALLY EFFICIENT HIGHLY RESISTANT TO SCUFFING & WEAR AND THEY RUN TIGHTER PISTON TO WALL CLEARANCES, WHICH IMPROVES RING SEAL & LONGEVITY SOLD IN SETS OF 8