11 NOTE: Most FE‑series OEM connecting rods require narrowing at the pin end to achieve proper side clearance within the 2
You can increase the service life of a block by only honing what you need to remove taper and make the cylinders round again
5 NOTE: Most FE‑series OEM connecting rods require narrowing at the pin end to achieve proper side clearance within the 2
42 NOTE: Most FE‑series OEM connecting rods require narrowing at the pin end to achieve proper side clearance within the 2
6303-4080 340 Small Block Mopar FX Series -16cc Dish Top Small Block Mopar Forged Piston Set 4.080 inch bore Pin Dia.: 0.984" Comp Height: 1.802" Piston Series Option:FX-1 4032 Alloy 11 NOTE: Most FE‑series OEM346 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. 19, 64cc 9. 01, 72cc 8. 34 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.
