The Complete SPI joint kit for TM Racing KZ engines is an indispensable spare assembly of origin manufacturer (Ricambi Originali TM Racing). As illustrated in the reference picture 8722.jpgThis plant sealed bag gathers the entire lip joints needed to ensure absolute tightness of your bottom-motor during a full revision.

On a 2-time high efficiency competition engine as the TM Racing blocks, the slightest air intake or internal leakage can be catastrophic. The crankshaft spi joints retain pre-compression in the pump housing, while the other SPI seals preserve the gearbox oil circuit and the selector axle. Designed in fluorocarbon elastomer type Viton or high specification polymersThese factory joints tolerate crazy linear rotation speeds (up to 16,000 rpm) and total thermal and chemical resistance to fuel fuels or not and competitive oils