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Bel Ray Thumper Racing Works Synthetic 4T Engine Oil is a 4-stroke synthetic motorcycle racing oil that has been developed for full works competition use and is designed to withstand extreme racing conditions
These valves go through an oxiding and polishing process that creates an extremely smooth surface finish that's easy on valve guides
Removable FLY nose guard
Excellent fatigue
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Yamaha ATV Crankshaft Assembly GPX 4.5 Bel Ray Thumper Racing WorksComplete crankshaft assembly Main bearing and upper bearing included OEM quality connecting rods Main bearings have OEM locator pins Assembled and trued to . 001
