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Timken® Conversion for 2003 and Later Crankcases
Starting with the 2003 model year, the factory has replaced the Timken® sprocket shaft bearing on the crankshaft with a straight roller bearing. While this design eliminates setting bearing end play and significantly reduces the labor for installation/assembly, it was our opinion that this design would not sufficiently handle the loads generated by big bore/stroker engines designed for substantial horsepower output. There have been many failures to substantiate this theory!
Zipper’s developed a service in late 2002 to convert 2003 and later crankcases to the proven Timken® tapered bearing system. Send us your left crankcase and we’ll return it fully machined with Timken® races installed, ready for assembly. Timken® bearings and seal spacer provided. For Timken® conversion only, send just the left case half. For additional services such as boring for big bore cylinders, send both halves with all case bolts in place.
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| Description |
Part Number |
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| Crankcase machining for Timken¨ conversion, ‘03-up TC88 A/B cases |
# ZM-9329 |
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6655-A Amberton Drive Elkridge, Md 21075 410-579-2828 - phone 410-579-2835 - fax
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