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Wheels up Fox body Mustang with DSS Racing power.

Ford

STEP 6: Top - Comp. Ratio Show all STEP 6: Top - Comp. Ratio
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447 FE Ford, FX, Comp Height: 1.335, -16cc 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-11.21, 72cc-10.47, 76cc-10.1 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.
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445 FE Ford, FX, Comp Height: 1.335, -16cc 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-11.17, 72cc-10.44, 76cc-10.06 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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438 FE Ford, FX, Comp Height: 1.335, -16cc 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-11.03, 72cc-10.3, 76cc-9.93 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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469 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-13.16, 72cc-12.17, 76cc-11.68 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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464 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-13.03, 72cc-12.07, 76cc-11.56 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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462 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.98, 72cc-12.02, 76cc-11.52 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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455 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.82, 72cc-11.87, 76cc-11.38 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.
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451 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.74, 72cc-11.78, 76cc-11.31 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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447 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.64, 72cc-11.7, 76cc-11.21 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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445 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.61, 72cc-11.66, 76cc-11.17 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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438 FE Ford, FX, Comp Height: 1.335, -5cc Flat 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-12.43, 72cc-11.51, 76cc-11.03 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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455 FE Ford, FX, Comp Height: 1.39, -24cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.125", ROD: 6.7, Approx Comp Ratio: 65cc-10.51, 72cc-9.87, 76cc-9.55 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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451 FE Ford, FX, Comp Height: 1.39, -24cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.125", ROD: 6.7, Approx Comp Ratio: 65cc-10.43, 72cc-9.81, 76cc-9.48 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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449 FE Ford, FX, Comp Height: 1.39, -24cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.125", ROD: 6.7, Approx Comp Ratio: 65cc-10.4, 72cc-9.77, 76cc-9.44 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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Regular price from $669.95
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442 FE Ford, FX, Comp Height: 1.39, -24cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.125", ROD: 6.7, Approx Comp Ratio: 65cc-10.25, 72cc-9.65, 76cc-9.32 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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Regular price from $669.95
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438 FE Ford, FX, Comp Height: 1.39, -24cc Dish Top, PIN: .99", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4.125", ROD: 6.7, Approx Comp Ratio: 65cc-10.19, 72cc-9.57, 76cc-9.26 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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