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About this product

The KWI White Secondary Spring is a higher-pressure secondary spring for Polaris RZR models — engineered to deliver increased clamping force on the belt to control and prevent belt slip under load. Used across KWI's Polaris clutch kit lineup as the go-to secondary spring for riders who need stronger belt control without stepping up to an aggressive spring setup.

The increased pressure of the White Spring keeps the belt locked in under load conditions where a standard spring allows slip — reducing belt wear, maintaining more consistent power transfer, and keeping clutch performance predictable across a wide range of riding conditions and power levels.

Why it matters

Belt slip under load starts with a secondary spring that can't maintain enough clamping force — the White Spring fixes that.

Higher pressure, better belt control, less slip. The KWI White Secondary Spring is the straightforward upgrade for Polaris RZR riders who need stronger belt grip without going full aggressive spring setup.

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Product Info

The KWI White Secondary Spring is a higher-pressure secondary spring for Polaris RZR models — engineered to deliver increased clamping force on the belt to control and prevent belt slip under load. Used across KWI's Polaris clutch kit lineup as the go-to secondary spring for riders who need stronger belt control without stepping up to an aggressive spring setup.

The increased pressure of the White Spring keeps the belt locked in under load conditions where a standard spring allows slip — reducing belt wear, maintaining more consistent power transfer, and keeping clutch performance predictable across a wide range of riding conditions and power levels.

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