Under $50

Spur gear, 46-tooth, steel (1.0 metric pitch)

Gear set, transmission, high range (trail) (16.6:1 reduction ratio)/ pinion gear, 11-tooth

Gear set, transmission, low range (crawl) (40.3:1 reduction ratio)/ pinion gear, 11-tooth

Gear set, transmission, speed (9.7:1 reduction ratio)/ pinion gear, 11-tooth

Gearbox housing (front & rear)/ 2x4mm BCS (with threadlock) (2)/ 2x8mm BCS (4)/ 3x6x2.5mm bushings, self-lubricating (6)/ 3x16mm pins (2)

Ring gear, axle (2)/ pinion gear, axle (2)

Gear set, transmission, metal (includes 18T, 30T input gears, 36T output gear, 2x9.8 pins (5))

Portal drive input gear, front (machined) (left or right) (requires #8060 front axle shaft)

Gear, 13-T pinion (machined, hardened steel) (1.0 metric pitch) (fits 5mm shaft)/ set screw

Spur gear, 52-tooth, steel (1.0 metric pitch)

Portal drive output gear, front or rear

Gear set, differential (output gears (2), spider gears (4), spider gear shaft (2))