Triton's TPMS-414 SP is an EPDM rubber covered, tubeless, snap-in passenger car valve assembled with TR C1 core, Type CL cap and a metal extension. The special 'CL' cap is fitted with a seal for higher retention of air. This valve is part of the TPMS assembly (the TPMS sensor is to be mounted on this valve. RIM HOLE 11.3 mm