FITMENT NOTESGuaranteed to fit your CAT 257B3ABOUTSPROCKET SLEEVE CARRIAGE BOLT & NUT CAT 247/257 & B Series2 & ASV/Terex RC/PT 50/60SPECIFICATIONSFitmentCAT 257B3BrandCATDurabilityHeavy DutyUndercarriage TypeSprocketConditionNewWarranty12 Months / 1,000...