Ford 455
5077-4050 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.050 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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438 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-9.84, 72cc-9.27, 76cc-8.98 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4080 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.080 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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445 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-9.97, 72cc-9.4, 76cc-9.1 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4090 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.090 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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447 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.01, 72cc-9.43, 76cc-9.13 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4110 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.110 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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451 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.08, 72cc-9.5, 76cc-9.19 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4130 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.130 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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from $669.95
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455 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.16, 72cc-9.57, 76cc-9.27 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4160 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.160 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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from $669.95
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462 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.28, 72cc-9.68, 76cc-9.38 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4170 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.170 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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464 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.32, 72cc-9.72, 76cc-9.42 NOTE: Effective July 3, 2025, all FE Ford 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.
5077-4190 455 FE Ford FX Series -28cc Dish Top FE Ford Forged Piston Set 4.190 inch bore Pin Dia.: 0.99" Comp Height: 1.335"
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from $669.95
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469 FE Ford, FX, Comp Height: 1.335, -28cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.250", ROD: 6.7, Approx Comp Ratio: 65cc-10.41, 72cc-9.82, 76cc-9.5 NOTE: Effective July 3, 2025, all FE Ford 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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