JE 139532S Piston Single SRP (4.320 in. Bore, 1.645 in. CH, 48.00 CC) for CHEVROLET Big Block Engine ymm_48 Since dyno figures vary between

Since dyno figures vary between runs - for fairness we chose to publish figures using the highest stock run VS highest Eventuri run

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Description JE 150070 Piston Kit SRP (4

JE 139532S Piston Single SRP (4.320 in. Bore, 1.645 in. CH, 48.00 CC) for CHEVROLET Big Block Engine ymm_48 Since dyno figures vary betweenDescription JE 139532S Piston Single SRP (4. 320 in. Bore, 1. 645 in. CH, 48. 00 CC) for CHEVROLET Big Block Engine Born from the racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line bridges the gap between high quality forged piston performance and affordability. Forged from strong 4032 aluminum alloy, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance. They are