*All reduction orders come with a free Promotional T-shirt. Please include your shirt size in the notes of your order (M, L, XL or 2XL). Purchase an additional shirt:
**Price includes a $50 core charge on the stock parts. Please send in your original parts and include a copy of the original purchase receipt for the core refund.
This is our billet 40% gear reduction for the Honda Foreman 400/450. Internal case clearance/cutting needed for install. Our stiffer clutch springs are recommended for this reduction and can be found in the "Parts" section of the site listed as "300-450 Springs". **ES models will need a shift module to prevent electronic shift issues, also located in the parts section.