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AES Brand Premium CNC machined Engine hood hinge bolt bushing kit for Peterbilt trucks, will fit 357,377,378,379,388,389. Interchange part numbers 23-15273, 13-04726, 13-04727. Bolts are CNC machined from stressproof steel, these bolts are drilled and tapped for a standard grease zerk. These Greaseable hood hinge bolts reduce vibration and last longer than OEM bolts and bushings. Bushings in this kit are tough Delrin plastic bushings, which is many times stronger than the OEM polyurethane bushings, Bushings are also CNC machined to precise tolerances to fit the CNC machined bolts.This is the original \"Greaseable\" hood hinge bolt kit on the market, designed by the owner of AES Machine, AES Machine company believes in improving products, these hood hinge bolts have been tested and approved by Truckers.An Install video can be viewed at aesmachinellc.com
There are other Greaseable kits on , those kits are Chinese COPIES, Those Chinese COPIES are poorly machined Garbage! if you want the \"original Greaseable\" hood hinge kit designed and made in the USA, BUY this one. This kit was tested by a major Trucking company, after testing, the trucking company said it was excellent.Patent Pending !