Venom Products Polaris Primary Clutch Spring - 120-270 Black/Pink - 210135-015

Primary springs control engagement and shift rate. Made from high tensile wire and will hold rate better than cheap springs. The first force number listed controls what RPM your clutch engages and the second number controls how fast the clutch upshifts.
Force Lbs. @ 2.50in. - 1.19in.