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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
exhaust valve seals
effortless flywheel removal season after season
riders can expect an immediate 5+ mph gain on the top end
immediate power during rapid on-and-off throttle transitions in technical backcountry terrain
Combined with an upgraded primary spring
Primary Clutch Spring (140-330) // SKU: 05-140-330 jbcat/polaris/rzr/bodr-1 exhaust valve sealsPrimary Drive Clutch Spring (140 330) SKU: 05 140 330 Fine tune your clutch engagement and maintain consistent peak operating RPM under heavy load with the Bikeman Performance 140 330 Primary Clutch Spring. As a core component of your drive clutch calibration, the primary spring directly governs engagement speed, upshift timing, and peak RPM retention across your powerband. Featuring a 140 lb initial load and a 330 lb finish load, this spring profile