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2007-2010 Honda TRX420FE FourTrax Rancher 4X4 ES
2008-2015 Yamaha XV19C Raider
15% more grip than the MICHELIN Road 5 GT tire in wet conditions thanks to 100% MICHELIN Silica Technology tread compounds and a new tread pattern featuring MICHELIN Water Evergrip Technology
2020 Polaris Ranger Crew XP 1000 Texas Edition
May allow more spark advance for increased torque
Starting Line Products 14-118 Exhaust Valve Springs - White control-handlebars-accessories-switch-covers 2007-2010 Honda TRX420FE FourTrax RancherLoad at . 63in. 2. 8lbs. Load at 1in. 1. 6lbs. Polaris exhaust valves open with cylinder pressure. As you go up in elevation, cylinder pressures are reduced causing exhaust valves to open later than they should or in some cases not at all. This can cause poor and inconsistent top end horsepower. Changing to lighter exhaust valve springs allows the exhaust valves to open at the proper time maintaining proper top end horsepower and running consistency.
