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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
both in improvements in cold-air delivery
Can-Am Defender Lonestar (2019-2024)
- Superior custom weight profile provides better acceleration and maximum top speed
3" cold air intake
EXHAUST VALVE SPRING YELLOW Ranger XP 900-1000 (2014-2017) both in improvements in cold-airPolaris 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
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