CUP-R1 - COMBUSTION CHAMBER DOME for TM R1 engines

 Combustion chamber dome for TM R1 engines.

 The ST type has similar characteristics to the original TM.

 The -2 type, made on the original RGMTECH design, provides greater extension to the engine.

 SQUISH height to be checked and customized according to your needs.

 The -22 type (  NEW ), made on the original RGMTECH design, provides a better response at low/medium revs.

 Same displacement as the original.