Max-Torque 10 Tooth 420 3/4" Centrifugal Clutch Plain Spring 19.05mm test Pre-2019 Model

Pre-2019 Model

Supplied with front bearings and valves

Magnesium Medium Rear Hub 50mm X 88mm (8mm Keyway)

Intake tube of the current style airbox on all Rotax Max engines

It gives the ability to measure static (kart on the stand) and dynamic (kart on the ground or scales with driver in place) so you know exactly how the kart responds

Max-Torque 10 Tooth 420 3/4" Centrifugal Clutch Plain Spring 19.05mm test Pre-2019 Model10t Centrifugal Clutch to fit a 3 4" (19. 05mm) Crank Shaft with a 3 16 Key Slot Uses 1 2" 420 Motorcycle Chain (40 41) This is a tougher chain than normal kart chain, there are other 1 2" chains such as 428 which is also listed in our store *** Beware of the fake Chinese copies "MTorq" clutches *** the shoes are not consistent in weight between all six shoes which cause excess vibration. The spring is not stainless steel so it cannot take heat over