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6100-4120 389 Pontiac Late FX Series -7cc Flat Top Pontiac Late Forged Piston Set 4.120 inch bore Pin Dia.: 0.98" Comp Height: 1.71" Bore Size 3635 in 92256 mm 406 Chevy LS

SKU: 60880382623

4.2
USD374.98 USD410.98

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Description

406 Chevy LS

464 Pontiac Late

442 FE Ford

Please indicate your final cylinder bore size in the notes section of the shopping cart check out

408 Small Block Ford 351W

6100-4120 389 Pontiac Late FX Series -7cc Flat Top Pontiac Late Forged Piston Set 4.120 inch bore Pin Dia.: 0.98" Comp Height: 1.71" Bore Size 3635 in 92256 mm 406 Chevy LS400 Pontiac Late , FX, Comp Height: 1. 71, 7cc Flat Top , PIN: . 98", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 750", ROD: 6. 625, Approx Comp Ratio: 62cc 11. 55, 87cc 8. 97, 124cc 6. 86 Effective June 15th 2026, These Pontiac 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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