LS2 Asymmetrical FSR Dish Top Forged Piston J312039 Product:4.000" bore, 4.000" stroke, 6.125" rod length, -26.1cc dome volume measure the

measure the

5" Collector at 3-bolt flange for easy exhaust installation 3/8" thick machined head flanges for perfect sealing surface Lightweight 18 gauge mild steel tubing for strength and reliability Tight-tuck tube design for fit with narrow street rod frames Collector exit is parallel with oil pan for maximum ground clearance Collectors are positioned for maximum starter and engine mount clearance Industry's best welds for durability

550" @ 90 lbs Open Press: 1

Rebuildable and revalvable

LS2 Asymmetrical FSR Dish Top Forged Piston J312039 Product:4.000" bore, 4.000" stroke, 6.125" rod length, -26.1cc dome volume measure theLS2 Asymmetrical FSR Dish Top Forged Piston4. 000" bore, 4. 000" stroke, 6. 125" rod length, 26. 1cc dome volume J312039 12039 Hands down, the best forged piston for your high performance LS engine! Our Asymmetrical FSR (Forged Side Relief) forging is engineered for todays high power normally aspirated and forced induction LS engines. The exclusive asymmetrical skirt maintains a larger skirt area on the heavily stressed major thrust side, while