Unleash the full potential of your Honda Rubicon 520 (DCT) with our Primary Gear Reductions by Reduction Boss. These are no cheap made welded gears, they are precision-machined billet, built to handle anything you throw at it!  Spin bigger tires effortlessly with enhanced torque. Dominate any terrain with confidence. Upgrade your ride today!

Gear Reduction Size Recommendations:

25% - Ideal for 26 - Light 28" tires
40% - Ideal for Heavy 28 - Light 30" tires

Notes:

• 25% - No cutting/grinding required.
• 40% - Requires clearance cutting in the front crankcase cover spacer in two small areas.
• ES Modules - You will need to add the ES Module to prevent electronic shift issues. Add two if you have a Power Steering model.
• Primary (Clutch) Install Kit - Everything needed for a primary reduction install. Includes centrifugal clutch puller, quick setting (30 min.) gasket maker with applicator and a front output shaft seal.
• PLEASE VERIFY YOUR FITMENT/REDUCTION SIZE PRIOR TO ORDERING AS THERE IS A 15% CANCELLATION FEE.

Applications:
Honda Rubicon 520, DCT Automatic models (2020+)*

*DOES NOT FIT the ES/Foot Shift models, please click here: Honda Rubicon 520 (ES/Foot Shift) Gear Reduction - 20%, 40%, 60%, 80%