Hot Rods Connecting Rod Kit Polaris Ranger / ACE / RZR 900 Repair your OEM or Hot Rods branded crankshaft with these high performance connecting rods from Hot Rods. Hot Rods' Connecting rods are forged from 8620 case-hardened Aisi steel in the Usa. Bores are hardened and finishes are honed for ultimate precision down to the micron. Double-honed bearing surfaces provide smooth and reliable high RPM operation. Also features double-drilled small end and includes oiling grooves for increased lubrication. Each crank pin from the kit is is created from hot-rolled Astm 4115 steel and case-hardened to a level of 5862 Rc. Requires two kits per vehicle on Polaris twin-cylinder engines. 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: 44mm Connecting Rod Big End Width: 24mm Connecting Rod Center-to-Center: 129.500mm Connecting Rod Small End ID: 20mm Connecting Rod Small End Width: 20mm Includes: Connecting rod, crank pin, crank bearing, wrist pin bearing and thrust washers where applicable