GSC Power-Division Viton Valve Stem Seals for Toyota 2JZ-GTE Brian Crower MONO SPORT comes with the

MONO SPORT comes with the well-established 16-level damping force adjustment feature (compression & rebound together) and equipped with exclusively-designed "ADVANCE M

Make that motor pop

more accurate ignition timing as well as several other benefits

They feature male AN / 37º Flared fitting end caps

this is vastly superior to factory spring clamps

GSC Power-Division Viton Valve Stem Seals for Toyota 2JZ-GTE Brian Crower MONO SPORT comes with theGSC Power Division Viton Valve Stem Seals for Toyota 2JZ GTE Part # GSC 1030 GSC Power Division Viton Valve Stem Seals for the Toyota 2JZ GTE 6mm valve size seal set. These are an upgrade from the standard OEM material to help cope with the higher heat caused by high performance engines. Sold as a set of 24 Valve Stem Seals