Connecting Rod KTM 450-525, Namura RX-70004 MX-09024 59030015044

Heavy-duty OE replacement connecting rod kit designed for superior performance and durability. Manufactured from certified SNCM220 chrome alloy steel, the kit provides exceptional strength and reliability. Crankpins are made from hot-rolled ASTM steel and case-hardened, while the rod assembly is fully compatible with aftermarket and OE crankshafts. Namura uses advanced caged needle roller bearing designs for high RPM longevity, with silver-coated bronze phosphor thrust washers for added lubricity.

The rod assembly is sold complete with rod, crankpin, crankpin bearing, top-end bearing, and thrust washers as needed.

Features:

• Heavy-duty connecting rods for demanding applications.
• Certified chrome alloy steel construction for superior strength.
• Hot-rolled ASTM steel crankpins, case-hardened for durability.
• Advanced caged needle roller bearings for high RPM performance.
• Silver-coated bronze phosphor thrust washers for enhanced lubricity.
• Compatible with aftermarket and OE crankshafts.
• Complete kit with all necessary components for installation.

Specifications:

• Center to Center: 129 mm
• Small End Bearing: None
• Small End Bore: 20 mm
• Small End Width: 21.90 mm
• Big End Bearing: 35x43x21.70 mm
• Big End Bore: 43 mm
• Big End Width: 21.90 mm
• Big End Pin Diameter: 35 mm
• Big End Pin Length: 64.60 mm
• Washer Thickness: 0.95 mm

Cross-Reference OEM Part Numbers:

• 59030015044
• 8666

Vehicle Fitments:
Beta:

• RR250 Enduro (2005–2007)
• RR450 Enduro (2005–2009)
• RR525 Enduro (2005–2009)

KTM:

• 400 EXC/EXC-G (1999–2006)
• 400 SX (2000–2002)
• 450 EXC (2003–2007)
• 450 EXC-R (2008)
• 450 MXC (2003–2004)
• 450 SX (2000–2002)
• 450 SX Racing (2003–2004)
• 450 XC (2008)
• 450 XC-W (2007)
• 520 SX-EXC (2000–2002)
• 525 EXC (2003–2007)
• 525 MXC (2003–2007)
• 525 SX (2003–2007)
• 525 XC (2003–2008)
• 525 XC-W (2007)
• 525 SM-R (2004–2005)
• 540 SXS (2004)

Polaris:

• Outlaw 525 (2007–2011)
• Outlaw 450 MXR (2008–2010)

Part Number: MX-09024 RX-7004