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NEW BPR Monoblock Cylinder Kit

We are releasing our OEM Replacement BPR monoblock cylinder made by CP Industries. Works with stock crank, stock carbs, stock head, NO MODS of any kind required. Complete top end kit is made completely in USA and cylinders come with a LIFETIME WARRANTY*. You will grow old and die before these cylinders do. $899.99 for the kit.

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POLARIS - CAN AM - YAMAHA - KAWASAKI - HONDA - SUZUKI

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

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 ..
14 Nov Brute Force Big Bore Power...
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One of my favorite ATVs is the Kawasaki Brute Force. I love the design of the motor and the power those machines put out.Our motor rebuild kits for the Brute Force 750 are one of my favorites. When as..