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Delay Notice

Right now we are experiencing delays and shortages from manufacturers that are greater than we have ever seen. This is causing delays with shipping orders that are out of our control. If you must have your order by a certain date please call us and check stock before you order. We apologize for any inconvenience and if we could change it we would but it is out of our hands. Thank you for your business.

Alpha Cub cylinders are in stock and ready for immediate shipment!

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We sell top, bottom, and complete motor rebuild kits, as well as all individual replacement parts, for every popular ATV, UTV, dirt bike, and side x side on the planet. We can customize a kit just for you - stock / stroker / turbo / big bore / drag race / hi comp - and we have packages that fit ANY BUDGET.

From the Blog

10 Jan Banshee Alpha Cub Cylinder
bpraceadmin 0 332
The ALPHA CUB cylinder is here and it is going to revolutionize the Yamaha Banshee.  This cylinder is stock bore, stock stroke, works with OEM head, crank, and carbs, NO MODS REQUIRED!  It will also l..
14 Nov Whats Up With Yamaha?
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From 2004 to 2008 Yamaha was on the cutting edge of our industry, coming out with three exciting vehicles - YFZ450, Raptor 700, and Rhino 660 and 700. The YFZ led the way for 450cc sport ATV's. The Ra..
14 Nov Raptor 700 815cc Big Bore Stroker...
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The Raptor 700 has been one of Yamaha's greatest successes, and there are a lot of options when it comes to motor performance. There have typically been two popular big bores for the 700, the 105.5mm ..
14 Nov Kibblewhite Valve Technology...
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Kibblewhite has been making valve train components for over 78 years. Think about that.  These guys were making valves before World War II. When Kibblewhite started Lou Gehrig was the biggest name in ..