QuadBoss Crankshaft Bearing Kit

Koyo precision crank bearings. Double-lip seals with PTFE contact area tolerates dry start conditions with less crankshaft pin wear.

• Designed for high-rpm, high-load ATV/UTV engine use
• Direct-fit components to simplify bottom-end rebuilds
• Double-lip PTFE seals help tolerate dry starts with reduced pin wear
• Premium crank bearings for accurate crankshaft support and alignment

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Reference Information

QBOSS CRANKSHAFT BEARING KIT