NCY Super Trans Kit (1st Generation); GY6, Genuine 125/170

Our extremely popular Gen 1 GY6 transmission kit is now available again.  This kit comes with the finned drive face, "N" style clutch bell, 1000RPM clutch spring, and all of the other goodies that have made our trans kits so successful. Kit includes:Ultralight gold specially coated overdrive variatorFinned Aluminum outer drive faceUltralight large shoe racing clutch"N" Style Ultralight drilled & vented clutch bell (99 grams lighter than previous NCY Bell)Dual range secondary slider 1000 RPM compression spring Ball bearing compression spring seat12 Gram 18x14 Roller Weights