LS2 Asymmetrical FSR Dish Top Forged Piston J312039 Product:4.000" bore, 4.000" stroke, 6.125" rod length, -26.1cc dome volume Hex Head S/Sfits Ford 302-351

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LS2 Asymmetrical FSR Dish Top Forged Piston J312039 Product:4.000" bore, 4.000" stroke, 6.125" rod length, -26.1cc dome volume Hex Head S/Sfits Ford 302-351LS2 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