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6303-4070 340 Small Block Mopar FX Series -16cc Dish Top Small Block Mopar Forged Piston Set 4.070 inch bore Pin Dia.: 0.984" Comp Height: 1.802" Engine Size 400M 313 Small Block Chevy

SKU: 62259333883

4.5
USD374.98 USD411.98

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Description

313 Small Block Chevy

331 Pontiac Early and Late

436 Small Block Ford 351C

488 Big Block Oldsmobile

58 NOTE: Most FE‑series OEM connecting rods require narrowing at the pin end to achieve proper side clearance within the 2

6303-4070 340 Small Block Mopar FX Series -16cc Dish Top Small Block Mopar Forged Piston Set 4.070 inch bore Pin Dia.: 0.984" Comp Height: 1.802" Engine Size 400M 313 Small Block Chevy345 Small Block Mopar, FX, Comp Height: 1. 802, 16cc Dish Top, PIN: . 984", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 310", ROD: 6. 123, Approx Comp Ratio: 62cc 9. 17, 64cc 8. 99, 72cc 8. 32 Effective June 15th 2026, These Sm These Block Mopar ring grooves have been updated to the new specifications of 1. 2 1. 2 3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1 16 1 16 3 16.

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