High-quality replacement connecting rod kit designed for performance and durability. Manufactured from hot-rolled ASTM 4115 material and case-hardened to 58-62 Rc, ensuring strength and reliability under demanding conditions. Features advanced design elements like strategically located side scalloping and vent slots to reduce high RPM bearing race distortion. Double-forged construction improves grain flow and dimensional consistency, while shot-peening and double-honing enhance strength under heavy loads. Small ends are double-drilled to improve lubrication and cooling, particularly important for wrist pin bearings under high-stress applications. Thrust washers and crank pin bearings are silver-coated for added lubricity. Each kit is supplied complete with a rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.
Features:
- High-strength ASTM 4115 material, case-hardened to 58-62 Rc.
- Side scalloping and vent slots minimize distortion at high RPM.
- Double-forged for improved grain flow and dimensional consistency.
- Shot-peened and double-honed for superior strength under load.
- Double-drilled small ends enhance lubrication and cooling.
- Silver-coated thrust washers and crank pin bearings for added lubricity.
- Complete kit includes rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.
Specifications:
- Center-to-Center Length: 132 mm
- Pin Diameter: 24.00 mm
- Pin Length: 59.90 mm
- Big End Bearing: 24x31x17 mm
- Big End Bore: 31.00 mm
- Big End Width: 16.90 mm
- Small End Bearing: 18x22x20 mm
Cross-Reference OEM Part Numbers:
- 54630015044
Vehicle Compatibility:
- 1990-1999 KTM 250 EXC
- 1990-1999 KTM 250 SX
- 1990-1999 KTM 250 XC
- 1990-1999 KTM 250 XC-W
- 1990-2003 KTM 300 EXC
- 1990-2003 KTM 300 MXC
- 1990-2003 KTM 300 XC
- 1990-2003 KTM 300 XC-W
Part Number: 56-894.HR
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