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- 900 big bore engine kit for 800 HO Arctic Cat models 2018-20
- Proven to be one of the most reliable big bores for the 800 HO
- 195-197 horsepower and huge torque
- Incredible low end to peak horsepower
- Kit Includes: Exchange Big Bore Cylinders, Exchange Exhaust Valves, 2 Pistons with rings, circlips & wrist pins, Big Bore Billet Head Kit, Exhaust Valve Spacers, Timing Key.
- See the below description for supporting mods necessary with this kit
- ***Unless purchasing outright, you must send in cylinders, and exhaust valves(Blades Only)*** Package all contents VERY CAREFULLY and insure the package. BMP is not responsible for damages that occur in shipping. Core parts must be in good, usable condition. Parts not in useable condition will not be credited and the customer will be responsible for return shipping.
- Turnaround time can vary from 1-15 business days for this kit depending on if core cylinders are in stock. Normal turnaround time is between 3-5 business days.
- BMP Fatt Azz pipe, BMP y-pipe, Stage 2 Clutch Kit, and Power Commander are required. Boyesen Rage Cages and larger throttle bodies are recommended for optimum horsepower gains.
- Add the Stage 1 bolt-on performer kit to your order to complete this kit
- If you are just ordering the 900 Kit and not our bolt-on kit we cannot help you with tuning
- Use this Work Order Form when sending parts so shipping/receiving knows how to identify them.
- Part #: 09-110
Cylinder Core Exchange Options(see drop-down menu):
- Option 1: Purchase Outright - No core cylinder or exhaust valves are required to be sent in - Raises kit price by $2000
- Option 2: Exchange Parts, MUST send your cylinder and exhaust valves within 14 business days. As soon as you do, the $2000 charge will be refunded. Exchange parts not received in that amount of time will have no credit applied, and the customer will have to pay for return shipping.
- Option 3: Exchange Parts - Your order will be pulled on our shelf waiting for your exchange cylinder & exhaust valves to arrive. Once they arrive, we will normally ship the kit within a few business days. No core charge will be applied since we will have your cylinder prior to shipping the big-bore cylinder.