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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
this rebuild kit upgrades your Polaris with race-quality forged components and OEM-grade internal hardware
Complete inner and outer valve spring set
Filter outerwears
no machining required
64mm Wossner moly coated pistons (Pair) - MADE IN GERMANY
Best YFZ450R YFZ 450R Cylinder Head Studs TITANIUM Stud Kit 98m Big Bore Gaskets XR600R this rebuild kit upgrades yourWorks on all Yamaha YFZ450R FI models and years All Titanium stud, nut, and washer kit Heat treated allen head studs 12 point flange nuts 3mm thick washers Cometic big bore top end gasket kit 98mm big bore MLS head gasket Valve stem seals Allen head studs for easier install More clamping force means tighter, longer lasting seal Great for stock and a must for big bore or high compression applications LIFETIME REPLACEMENT WARRANTY* NEED THIS ITEM