PISTONS (8),FORGED,383,5.7" ROD,4"+.030" Tubular Upper Arms 1 90 DEGREE RETURN LINE

1 90 DEGREE RETURN LINE ADAPTER -6AN FITTING WITH HOSE CLAMP (SWS #150-0098)

60% MORE CORE VOLUME & 19% MORE FACE AREA THAN STOCK

1987 R1500 2WD WITH SMALL BLOCK CHEVY

Gaskets Included: Yes

NOTE: ONLY COMPATIBLE FOR VEHICLES EQUIPPED WITH THE M-PERFORMANCE REAR VALANCE

PISTONS (8),FORGED,383,5.7" ROD,4"+.030" Tubular Upper Arms 1 90 DEGREE RETURN LINE383 FORGED FLAT TOP PISTONS FOR 5. 7" RODS 4" +. 030" BORE MADE FROM 4032 ALUMINUM ALLOY FOR QUIETER SPECTRUM & REDUCED PISTON TO WALL CLEARANCE UP TO 20% LIGHTER THAN TRADITIONAL FORGED PISTONS ELIMINATES HARMFUL STRESS CONCENTRATIONS & PROVIDES SUPERIOR STRENGTH SPECIFICALLY DESIGNED FOR NATURALLY ASPIRATED & MODERATE NITROUS APPLICATIONS SOLD IN SETS OF 8