Umatek (CVTech) Trailbloc Clutch | Arctic Cat 650 V-Twin 4x4 Tire Size:Oversized (1" to 2") EK 520 ZVX3 ZX-Ring Chain

EK 520 ZVX3 ZX-Ring Chain

Powdercoat finish

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low-friction chains designed exclusively for racing

Polar Proven

Umatek (CVTech) Trailbloc Clutch | Arctic Cat 650 V-Twin 4x4 Tire Size:Oversized (1" to 2") EK 520 ZVX3 ZX-Ring ChainCVTech Trailbloc Clutch Arctic Cat 650 V Twin 4x4 The CVTech Trailbloc clutch itself is an amazing clutch that allows you to have a one way bearing, that is a smaller diameter than the factory clutches one way bearing, which allows the belt to ride lower in the primary, and higher in the secondary giving you a lower starting gear ratio thus giving you more low end. Having a lower starting gear ratio allows you to have TONS more low end and throttle