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Pro Power MX

CYLINDER WORKS CYLINDER KIT 06-09 YZF450, WORKS Cylinder 21003-K01, 480cc 2007 - 2015 Yamaha WR450F

CYLINDER WORKS CYLINDER KIT 06-09 YZF450, WORKS Cylinder 21003-K01, 480cc 2007 - 2015 Yamaha WR450F

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2006 - 2009 Yamaha YZ450F,
2007 - 2015 Yamaha WR450F, Cylinder WORKS  +3mm Big Bore Complete Cylinder Kit - 478cc - 21003-K01 Direct bolt-on, ready-to-install cylinders; require no replating and look virtually identical to the OEM Nickel Silicon Carbide plated for long life Honed to exact size for easy piston installation Big bore cylinders do not require machine work (unless noted) Big bore cylinder kits come complete with gaskets, cylinder, piston, rings, pin and clips Included Items:  
(1) Cylinder head
(1) Piston
(1) Wrist pin
(2) Cir-clips
(1) Top ring
(2) Oil rings
(1) Spacer ring
(1) Cylinder head gasket
(1) Cylinder gasket
(1) Exhaust gasket
(1) Case gasket Part No. 56-K108.98.KIT (oro2u.com) Cross reference numbers ONLY.
422-21003K, 0931-0174, 733826, 2792, HR21003K01, 77003-25, 2S2-11311-00-00, 2S2-11311-10-00, K8562D300-1ZA, WT400485100021, Yamaha 2009 Yamaha YZ450F 2008 Yamaha YZ450F 2007 Yamaha YZ450F 2006 Yamaha YZ450F 2006 Yamaha YZ450FSP 50th Anniversary Edition

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