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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
8500 - 8700
Advance your timing for more horsepower
Easy bolt-on horsepower and torque
F1000 & M1000
Exhaust Valve Spacers Category_Default Category/SLED/Arctic Cat 8500 - 87001000 Motors Since the exhaust valves dont open until 6800 rpm, there is a loss of torque from 6300 to 6750 rpm in the mid range. By installing our exhaust valve spacers your machine will see gains of 6 8 hp in the mid range with the stock exhaust, and 8 10 hp if you have an aftermarket exhaust system. It adds a lot of mid range power and broadens the powerband at an extremely low price. Machined out of aluminum, sold as a pair and comes with a easy
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