All Balls 24-1077 Crankshaft Bearing & Seal Kit for Polaris Big Boss 250 - 24-1077 2006 Yamaha YZ250 Recessed areas between the ISO

Recessed areas between the ISO Pads permit air flow for added comfort in hot weather

1997-98 Polaris Indy XCF

(1) Jet #165

1991 KTM 300EXC

All Balls 24-1077 Crankshaft Bearing & Seal Kit for Polaris Big Boss 250 - 24-1077 2006 Yamaha YZ250 Recessed areas between the ISOAll Balls Racing Crankshaft Bearing Kit Part Number: 24 1077 High quality OEM matched crankshaft bearing kit Feature Koyo precision Japanese crank bearings Crankshaft seals feature a carbon fluorocarbon pad on seal lip and stainless steel garter springs to reduce start up friction, enhancing dry start performance and reducing crankpin wear Kits include all bearings and seals required to do a crank bearing at a fraction of OEM cost Note: 4 stroke kits