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2017 Yamaha YZ450F
Need a better launch - Get thos RPMS up your DRR using the stock 112mm Clutch Bell
2011 Honda CRF100F
2002 KTM 125 Exc
Fits common ¾ screw pin shackles/D-Rings
INTAKE VALVE CONVERSION SET TI-STEEL KAW TRX90 2017 Yamaha YZ450FLatest addition to the ProX program is the Steel Intake and Exhaust Valve & Spring Kits. This kit is offered as an alternative where the OEM application uses Titanium valves. ProX has now developed the Steel Intake and Exhaust Valve & Spring Kits, containing a set of steel intake or exhaust valves plus a set of specially designed stronger valve springs. The ProX kit just replaces the OEM valves & valve springs and can be installed using the OEM
US$ 112.95
US$ 44.00
US$ 158.95
