Prox Valve and Spring Kit 28.SES3407-1 2007 Suzuki RM-Z 450 exhaust Titanium

Honda CRF450R 2009-2016 Steel Intake Valve and Spring kit Prox 28.SIS1409-2 *

Pro-X 28.SES2440-1 Steel Exhaust Valve & Spring Kit

Pro-X 28.SES3405-1 Steel Exhaust Valve & Spring Kit

ProX Steel Exhaust Valve/Spring Kit for KTM 28.SES6327-1

HONDA RANCHER 420 TRX420 TRX500 FOREMAN 500 ENGINE VALVES, INTAKE & EXHAUST

SUZUKI RMZ 450 2008-2025 Prox Exhaust Steel Valve & Spring Kit 28.SES3408-1

Prox Valve and Spring Kit | 28.SIS3408-2