570 Big Bore
Polaris 2018-2021 625cc Power Plant Big Bore Rebuild Kit
Our complete 625cc performance rebuild kit will create a more powerful engine, with a longer lasting machine!
Includes a huge 625cc Wossner piston, nickel plated cylinder, rebuild crankshaft with a stronger connecting rod, forged nitrate once piece valves and a ratcheting style tensioner.
This Listing fits the following applications:
– 2012-2017 Ranger 570 (All Models)
2012-2017 RZR 570 (All Models)
2012-2017 Sportsman 570 (All Models)
This listing includes the following parts:
– Upgraded Remanufactured crankshaft
– Upgraded moly coated piston
– New 625cc big bore cylinder
– Timing chain
– Upgraded timing tensioner
– 2 Forged intake valves
– 2 forged exhaust valves
– SKF bearings
– Exhaust gasket
– Breather gasket
– Valve stem seals
– Head gasket
– Base gasket
– Tensioner gasket
Contact us if you have any questions!