- Big Bore Kit
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2012-2022 Ranger 570 Aftermarket Performance 625cc Big Bore Kit Engine Motor
Complete New Upgraded 625cc Big Bore Master Top End Rebuild Kit. Turns your 570 to a 625cc.
15-22 Hp gains with tuning. Upgraded moly coated cast piston with better expansion rates than forged! Nickel plated cylinder for more strength & head.
New 625cc Nickel plated cylinder. Cast upgraded moly coated big bore piston kit.
Complete top end gasket kit. High temp valve stem seals. Rev6 offers quality parts that are proven to last.