Wiseco Top & Bottom End Rebuild Kit. Please check your cylinder bore before ordering. Wiseco top end gasket kit is constructed of premium materials to produce the best sealing technology available exceeding OEM standards. Superior strength/weight ratio utilizing aerospace alloy with race proven designs.
CNC machined with optimal cam shape and profile for peak HP and service life. Premium top end needle bearing. Precision machined, highest quality materials for strength and reduced friction. Extended life and sustained power. 2614CD - 66.40 MM RING SET.B1003 - TOP END BEARING 18 X 22 X 21.8mm. CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR). S508 - PIN-18MM X 2.1062-UNCHROMED-2 CY. W5744 or alternate - TOP END GSKT KIT-YAMAHA YZ250 99-01. Each kit contains everything you need to complete your rebuild the right way, the first time- crankshaft and connecting rod, all applicable bearings, and complete bottom end gasket kit made to meet or exceed OEM.
Wiseco connecting rods are double forged from a dedicated forging and feature shot peening, oil slots, and coated bronze thrust washers. Bottom end gasket kits are made from premium materials, exceeding OEM standards, to provide exceptional seal between critical mating surfaces. Main bearings are manufactured to the highest quality standards. Each is case hardened for maximum life and smooth operation at high RPM's.Corrosion resistant surface treatment to prevent corrosion and pitting over long term use or storage. This will add to the life as well the strength of the assembly. Top end of rod is bushed for oil retention and eliminates pin galling. The bottom end rod bores are case hardened to 58-62 RC to optimize bearing running surface. The crank pin bearings are manufactured from the highest quality, hot rolled steel case hardened to 58-62 RC to extend the lifetime of the assembly.
Caged needle roller bearings to provide the highest possible RPM. If you have a po box, please provide BOTH the po box and physical street address.Some items may have a slightly different appearance than what is shown in the picture. Please review the entire description to verify proper fitment. We can not mark items as "gifts" or change the value. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "fullcirclepowersportsco" and is located in this country: US.
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