Under $50

Clutch bell, (24 tooth) / 5x8x0.5mm fiber washer (2)/ 5mm E-clip (requires #4611-ball bearings, 5x11x4mm (2))

Clutch bell, (22-tooth)/ 5x8x0.5mm fiber washer (2)/ 5mm E-clip (requires #4611-ball bearings, 5x11x4mm (2))

Clutch bell, (18-tooth)/ 5x8x0.5mm fiber washer (2)/ 5mm E-clip (requires #4609 - ball bearings, 5x10x4mm (2))

Clutch bell, (16-tooth)/5x8x0.5mm fiber washer (2)/ 5mm E-clip (requires #2728 - ball bearings, 5x8x2.5mm (2)

Backplate (for recoil start engines)

O-ring set: for carb base/ air filter adapter/high-speed needle (2)/ low-speed spray bar (2)

Dust boot, throttle

Needle screw, idle mixture

Stud & nut, carburetor attachment

Carburetor, Pro (complete, assembled for TRX® Pro.15) (6.0mm bore) combine with cooling head (4032) to upgrade TRX® .15 to Pro .15 performance.

Wrist pin/ G-spring retainer (wrist pin keeper) (1)

Cylinder sleeve/ piston (w/ oil ring ) (matched set)

Gaskets, head (aluminum) (2)

Bearing spacers, clutch bell 5x8.5x1.75mm (1)/ 5x11x1.1mm (1)

Gasket, back plate

One-way starter bearing for the TRX® Pro.15 nitro engine

Idler gear, 20-tooth/ idler gear shaft

Shift fork/ shaft