90-1100 POLARIS BIG BORE KIT FOR TRAIL FOR 680 ULTRA & 700/800 XCR

This Polaris big bore trail kit will produce 200 HP @ 8800 RPMs and runs on pump gas. The kit includes: three new single heads, cylinders, rave valves, pistons & rings, modifications to the base, and a set of triple silenced pipes. Send us your top half of the crank case, bolts, and rave assembly parts no stock rave valves needed. The labor to disassemble, clean, and assemble the motor is NOT included in the package price. Race engines are also available.