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All Balls Crankshaft Bearings
- Quality Heavy Duty Bearings
- Crankshaft Seals Feature A Carbon/fluorocarbon Pad On The Seal Lip And Stainless Steel Garter Springs
- Reduces Startup Friction Enhancing Dry Start Performance And Reducing Crank Pin Wear
Polaris
Big Boss 250 4x6 89-92, Big Boss 250 6x6 91-92, Trail Blazer 250 90-92, Trail Boss 250 2x4 88-92, Trail Boss 250 4x4 88-92, Trail Boss 250 88, Trail Boss 250 R/ES 88