MFactory K-series Close Ratio Gear Sets
MFactory K-series Close Ratio Gear Sets MFactory K-series Close Ratio Gear Sets MFactory K-series Close Ratio Gear Sets
$1,599.95
Achieve the ultimate in acceleration with the MFactory Close Ratio Gears. MFactory close ratio gears allow for the fine tuning of the acceleration properties of your transmission.

Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground!

Choose Gear Set from the drop down menu above.

Close 1-2 Gear Set (includes Mainshaft) 
1st - 3.130  
2nd - 2.167 

Close 3-5 Gear Set  (Dual Synchro) 
3rd - 1.647 
4th - 1.286 
5th - 1.043

Close 3-6 Gear Set (Dual Synchro) 
3rd - 1.647 
4th - 1.286 
5th - 1.043 
6th - 0.851 

Super Close 3-6 Gear Set (Dual Synchro) 
3rd - 1.647 
4th - 1.286 
5th - 1.043 
6th - 0.923 

Close 1-5 Gear Set (Dual Synchro) 
1st - 3.130
2nd - 2.167
3rd - 1.647
4th - 1.286
5th - 1.043 
6th - 0.851

Full 1-6 Close Gear Set (Dual Synchro)
1st - 3.130
2nd - 2.167
3rd - 1.647
4th - 1.286
5th - 1.043 
6th - 0.851

Full 1-6 Super Close Gear Set (Dual Synchro)
1st - 3.130
2nd - 2.167
3rd - 1.647
4th - 1.286
5th - 1.043 
6th - 0.923

PRO Series Drag Set
1st - 2.313
2nd - 1.650
3rd - 1.304 
4th - 1.080

Dog Engagement Close Gear Set
1st - 2.313
2nd - 1.650
3rd - 1.304
4th - 1.080
5th - 0.958
6th - 0.851