Add to Cart Quick view 1 Piece to 3 Piece Bottom Bracket Conversion Kit $29.99 American to European adapter kit for converting standard 1 piece crank bicycles to be used with 3 piece wide cranks such as those included with our 4G 4 stroke kits. Kit features new bearing race reducer and European bottom bracket set with a semi-sealed... Compare Add to Cart Add to Wishlist
Out of stock Quick view 10 Tooth Rear Transmission Sprocket Stage III $12.99 10 Tooth rear sprocket kit for Stage III transmission includes spacer and woodruff key. Compare Out of stock Add to Wishlist
Add to Cart Quick view 10 Tooth Solid Gear Jackshaft $9.99 Stage III 10 tooth solid sprocket jackshaft. No keys included. Compare Add to Cart Add to Wishlist
Add to Cart Quick view 10 Tooth Solid Gear Kit for Stage III Transmission $18.99 Replacement kit includes jackshaft, 10 tooth solid gear, woodruff keys, spacer, washer and lock bolt Compare Add to Cart Add to Wishlist
Add to Cart Quick view 10mm x 10mm Black Sleeve $0.35 10mm x 10mm Black Sleeve Compare Add to Cart Add to Wishlist
Add to Cart Quick view 11T Freewheel to 10T Solid Conversion Kit $16.99 11T Freewheel to 10T Solid Conversion Kit Compare Add to Cart Add to Wishlist
Add to Cart Quick view 11T Output Shaft w/ Keys $15.99 Output shaft with key for use with 11 tooth freewheel drive sprocket. Compare Add to Cart Add to Wishlist
Add to Cart Quick view 20 Tooth Pulley for Tapered Engine $11.99 20 tooth pulley for the 4G 78 MM tapered transmission (Belt Drive). Compare Add to Cart Add to Wishlist
Add to Cart Quick view 3 Piece Wide Crank Pedal Kit $29.99 3pc Wide crank pedal kit for bicycle engine kits. Bottom bracket width (including threaded ends):10 1/2" Crank Offset:1 1/4" Total installed width: 13 3/8" Inside crank arm clearance: 12 3/8" Crank arm pedal thread size: 1/2" Bikes with 1pc crank will... Compare Add to Cart Add to Wishlist
Add to Cart Quick view 3x5x13 Key (Part #26) $1.49 4 Stroke Engine Replacement Part # 26 -- 3x5x13 Key Compare Add to Cart Add to Wishlist
Add to Cart Quick view 4 Stroke Bicycle Engine Replacement Piston $14.99 4 Stroke Engine Replacement Part # 28-1 -- Piston Compare Add to Cart Add to Wishlist
Choose Options Quick view 4 Stroke Engine Crankshaft $39.99 Also includes Gear Wheel (Part #14) and 6203-P5 Bearing (Part #21) 4 Stroke Engine Replacement Part # 25 -- Crank Case Compare Choose Options Add to Wishlist
Add to Cart Quick view 4-Stroke Engine Replacement Choke Lever $2.49 4-Stroke Engine Replacement Choke Lever Compare Add to Cart Add to Wishlist
Add to Cart Quick view 4-Stroke Spark Plug $5.99 4 Stroke Engine Replacement Part # 68 -- Spark Plug Compare Add to Cart Add to Wishlist
Out of stock Quick view 4G Clutch Mounting Kit $9.99 Mounting kit for 4G centrifugal clutch. Compare Out of stock Add to Wishlist
Choose Options Quick view 4G Freewheel Transmission Pulley/Sprocket For Grubee 4 Stroke T Belt Drive Kits $39.99 Freewheel T Pulley for the 4G T Belt Engine Kit. Available in 80 tooth and 100 tooth styles. Inner diameter is 15mm. Compare Choose Options Add to Wishlist
