800cc Stealth Big Bore Kit // 2003-2011 600/700 Models
Kit produces 160+ horsepower with the Speedwerx Fat Daddy Exhaust!
SPEEDWERX 800CC BIG BORE KIT
WOW! Now you can have the race winning performance that Team Arctic Cat has relied on right at your fingertips every day on the trail!
Kit Includes two bored, ported and replated Speedwerx Spec cylinders, larger exhaust valves for the best bottom end and mid range power, base gaskets, pistons and Speedwerx Stealth Head kit with inserts for your application and/or altitude. We also send a very detailed specification and instruction sheet. A safe and reliable monster!
Kit produces 160+ horsepower with the Speedwerx Fat Daddy Exhaust!
This kit runs on 91+ octane premium pump fuel.
Note: Stealth Kit uses a modified Stock Head. The price shown is with exchange of stock cylinders and head. EFI models require a Power Commander fuel controller, and a Big Bore specific pipe, y-pipe, muffler, clutch kit, reeds, and other components are required for proper perfomance. See Related Products below and please call to discuss the details for your application.
| Manufacturer | Speedwerx, Inc. |
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WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov See Proposition 65 Information for more on this Consumer Product Exposure Warning for residents of California.
These items are intended for closed-course competition only. Alteration of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.
