If you are in the So. Cal. area, drop on by and visit our installation facility and showroom.
11400 Knott Street - Garden Grove, CA 92841.
Mon.-Fri. 9:30am-6:30pm Sat. 10:30am-5:00pm Sun. CLOSED
info@inlinefour.com or sales@inlinefour.com





Inline Four is proud to announce the aquisition of Gear-X Precision Performance Drive Line Components. Inline Four is now the Western Region Warehouse Distribution Center for Gear-X products. Gear-X products are composed of high quality Final Drives, Custom Gear Ratios and Close Ratio Gear Sets.

Gear-X components are absolutely the best of the best, in their line of products. The value is incredible and the materials, machining and quality of these gears and final drives is unsurpassed. You won't find a better quality product for the price anywhere. Manufactured from the finest forged chromoly steel and machined to exact tolerances, these gears will out perform and outlast any competing brands on the market. Designed for racing, tested and sold by racers!

As with all the products we sell, we always use and test them first before offering them to our customers. This way, we can assure you that you will be getting a quality product that will keep you ahead of the competition and in the winners circle!


Gear-X S2000 Final Drive Units
Gear-X S2000 Final Drive Units

Gear-X B-Series Final Drive Units
Gear-X B-Series Final Drive Units

Gear-X K-Series Final Drive Units
Gear-X K-Series Final Drive Units

Gear-X D-Series Final Drive Units
Gear-X D-Series Final Drive Units

Gear-X B-Series Close Ratio Gear Sets
Gear-X B-Series Close Ratio Gear Sets

Gear-X K-Series Close Ratio Gear Sets
Gear-X K-Series Close Ratio Gear Sets

Gear-X B-Series Long 1st Gear & Individual Gears
Gear-X B-Series Long 1st Gear & Individual Gears

Gear-X D-Series High Ratio 3.083 First Gear
Gear-X D-Series High Ratio 3.083 First Gear


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