Description GY6 Upgear kit. 6.8% upgear. 50 ton gear press required for install. Get the most out of your big bore kit, with increased top speed and a more usable rev range. 20mm W x 20mm I.D NCY, Gear Set (16*36); GY6 150cc Gears Other products by NCY SKU1200-1166 - + Retail Price: $55.00 Your Price: $55.00 In Stock Add to cart Add to wishlist Have a Question about this item? Click here to email us. Also in Category GY6 150 Stage 1 Performance Kit Price: $454.00 QTY: Add To Cart Dr. Pulley High Performance Clutch; Buddy 125/150/170i, GY6 Price: $313.00 QTY: Add To Cart TFC Forged Aluminum Sheave Assembly; GY6 Price: $276.00 QTY: Add To Cart