Hot Rods High Performance Connecting Rod Kit Polaris RZR XP / XP 4 1000 The Hot Rods Connecting Rods offer an exceptional solution for repairing both OEM and Hot Rods branded crankshafts. These high-performance rods are forged from 8620 case-hardened Aisi steel in the USA and exhibit impeccable precision in their finishes down to the micron. The bores are hardened, and the bearing surfaces are double-honed to support smooth, reliable high RPM operation. The rods also feature a double-drilled small end and include oiling grooves to boost lubrication. The kit also includes a crank pin, also forged from 8620 Aisi steel and case-hardened. Note that Polaris twin-cylinder engines require two kits per vehicle. Features: For use on an OEM or Hot Rods branded crankshaft 8620 case-hardened Aisi steel construction SAE-recommended phosphor-bronze thrust washers Double-honed bearing surfaces Double-drilled small end Case-hardened Aisi 8620 Steel crank pin High quality, silver-coated crankpin bearing for improved sliding at reduced temperatures Specifications: Connecting Rod Big End ID: 41mm Connecting Rod Big End Width: 24.250mm Connecting Rod Center-to-Center: 124.850mm Connecting Rod Small End ID: 20mm Connecting Rod Small End Width: 20.300mm Includes: Connecting rod, crank pin, crank bearing, wrist pin bearing and thrust washers where applicable