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  • 2009-2026 Yamaha YFZ450R DEL WEST +1.0mm Oversize Titanium Valve Kit and Ferrea Springs

    2009-2026 Yamaha YFZ450R DEL WEST +1.0mm Oversize Titanium Valve Kit and Ferrea Springs

    $999.95     Add to cart
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    2014-2019 Yamaha YZ450F DEF Racing Big Valve Kit

    $999.95     Add to cart
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    2017-2026 HONDA CRF450R +2MM OVERSIZE VALVE KIT

    $849.95     Add to cart
  • 2017-2026 HONDA CRF450R 103mm Dry Block Cylinder Big Bore + 6mm Stroker Kit – 567cc Drag Monster

    2017-2026 HONDA CRF450R 103mm Dry Block Cylinder Big Bore + 6mm Stroker Kit – 567cc Drag Monster

    $5,099.95     Add to cart
  • 2021-2026 CRF450R - DEF Racing Drag Race & Flat Track "MILE" Camshaft

    2021-2026 CRF450R – DEF Racing Drag Race & Flat Track “MILE” Camshaft

    $995.95     Add to cart