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MFactory Close Ratio Gear Sets
MFactory close ratio gears

Achieve the ultimate in acceleration with the MFactory Close Ratio Gears. Diamond Cut to exacting tolerances from fully Carburized Forged Nickel-Chromoly Steel and put through our own proprietary heat treatment process, you will not find a stronger, more reliable product on the market. Our special treatment process makes our gears several times stronger & tougher than OEM Gears and are specifically designed to endure the demanding requirements of high-power track/drag cars.

Honda B16A/16B/18C Forged 3.070 1st Gear: As used by several top BOTI contenders, providing a consistent 0.2sec reduction in 60ft times and proven to withstand 1000+ horsepower! If used in conjunction with our Close Gear Sets, this will offer you a true 1st-5th close gear setup.

Honda B16A/16B/18C:
1st - 3.070
2nd - Re-use OEM 2nd Gear
3rd - 1.625 or 1.695
4th - 1.296 or 1.384 (Slight modification required to transmission casing when installing 1.384)
5th - 1.000, 1.130 or 1.210

Honda B16A/16B/18C (Revised, Straight-Cut Design):
3rd - 1.636, 1.670 or 1.704
4th - 1.313, 1.355 or 1.387 (Slight modification required to transmission casing when installing 1.387)
5th - 1.028, 1.118 or 1.210

Honda D15/16:
1st - 3.083 (Fits Cable & Hydro)
2nd - Re-use OEM 2nd gear
3rd - 1.565
4th - 1.250 (Re-use OEM 3rd Gear)
5th - 1.000

Honda L13/15 FIT/Jazz:
3rd - 1.285
4th - 1.030
5th - 0.886

MF-TRS-01B Honda B16A/16B/18C - 3.070 1st Gear $249
 
MF-TRS-01BA Honda B18C '98 Spec - 3.070 1st Gear $249
 
MF-TRS-01B3A Honda B16A/16B/18C - 1.636 3rd Gear $349
 
MF-TRS-01B3B Honda B16A/16B/18C - 1.670 3rd Gear $349
 
MF-TRS-01B3C Honda B16A/16B/18C - 1.704 3rd Gear $349
 
MF-TRS-01B4A Honda B16A/16B/18C - 1.313 4th Gear $349
 
MF-TRS-01B4B Honda B16A/16B/18C - 1.355 4th Gear $349
 
MF-TRS-01B4C Honda B16A/16B/18C - 1.387 4th Gear $349
 
MF-TRS-01B5A Honda B16A/16B/18C - 1.028 5th Gear $349
 
MF-TRS-01B5B Honda B16A/16B/18C - 1.118 5th Gear $349
 
MF-TRS-01B5C Honda B16A/16B/18C - 1.210 5th Gear $349
 
MF-TRS-01BSA Honda B16A/16B/18C - Choice of 3rd & 4th Gears (Note ratios when making payment) $624
 
MF-TRS-01BSB Honda B16A/16B/18C - Choice of 3rd, 4th & 5th Gears (Note ratios when making payment) $799
 
MF-TRS-01B12 Honda B16A/16B/18C - 1.625 3rd & 1.296 4th $624
 
MF-TRS-01B12A Honda B16A/16B/18C - 1.695 3rd & 1.296 4th $624
 
MF-TRS-01B12B Honda B16A/16B/18C - 1.625 3rd, 1.296 4th & 1.000 5th $749
 
MF-TRS-01B12C Honda B16A/16B/18C - 1.695 3rd, 1.296 4th & 1.000 5th $749
 
MF-TRS-01B12D Honda B16A/16B/18C - 1.625 3rd, 1.296 4th & 1.130 5th $799
 
MF-TRS-01B12E Honda B16A/16B/18C - 1.695 3rd, 1.296 4th & 1.130 5th $799
 
MF-TRS-01B12F Honda B16A/16B/18C - 1.625 3rd, 1.296 4th & 1.210 5th $799
 
MF-TRS-01B12G Honda B16A/16B/18C - 1.695 3rd, 1.296 4th & 1.210 5th $799
 
MF-TRS-01B13 Honda B16A/16B/18C - 1.625 3rd & 1.384 4th $624
 
MF-TRS-01B13A Honda B16A/16B/18C - 1.695 3rd & 1.384 4th $624
 
MF-TRS-01B13B Honda B16A/16B/18C - 1.625 3rd, 1.384 4th & 1.000 5th $749
 
MF-TRS-01B13C Honda B16A/16B/18C - 1.695 3rd, 1.384 4th & 1.000 5th $749
 
MF-TRS-01B13D Honda B16A/16B/18C - 1.625 3rd, 1.384 4th & 1.130 5th $799
 
MF-TRS-01B13E Honda B16A/16B/18C - 1.695 3rd, 1.384 4th & 1.130 5th $799
 
MF-TRS-01B13F Honda B16A/16B/18C - 1.625 3rd, 1.384 4th & 1.210 5th $799
 
MF-TRS-01B13G Honda B16A/16B/18C - 1.695 3rd, 1.384 4th & 1.210 5th $799
 
MF-TRS-01D Honda D15/16 - 3.083 1st Gear (Cable/Hydro) $249
 
MF-TRS-01D3 Honda D15/16 - 1.565 3rd Gear $349
 
MF-TRS-01D5 Honda D15/16 - 1.000 5th Gear $349
 
MF-TRS-01DS Honda D15/16 - 1.565 3rd & 1.000 5th $624
 
MF-TRS-01FIT Honda L13/15 FIT - 1.285 3rd, 1.030 4th & 0.886 5th $799
 
MF-TRS-01K20 Honda K20A - 2.313 1st, 1.650 2nd, 1.304 3rd, 1.080 4th, 0.958 5th & 0.851 6th $2499