Weight: 2.50With Andrews gears, your transmission will last longer, shift faster, and just plain run better. All gears are made from an alloy steel that is stronger than stock. Andrews gears make the difference, it's hard to believe until you experience the difference yourself. Close ratio sets for Big Twin have complete installation instructions.1st Gear close ratio sets. Ratio 2.44:1. The 2.44 close ratio set is best for FX's. This set provides higher 1st gear and eliminate 2nd gear "clunk". It also permits use of a larger engine sprocket for easier starting. Fits Big Twin 1937/Later when OEM HD 36751-36 21 tooth 2nd gear is used or our 72629.By: ANDREWS PRODUCTS INC