High-quality connecting rod kit designed for performance and durability. Manufactured from hot-rolled ASTM 4115 steel and case-hardened to 58-62 Rc, the rods feature advanced engineering to handle high RPM demands. Strategically placed scalloping and vent slots in the big end minimize bearing race distortion under extreme conditions.

Double-forged rods improve grain flow and dimensional consistency, while shot-peening and double-honing enhance strength for heavy-load applications. The small ends are double-drilled for superior lubrication and cooling, particularly useful when the piston crown is close to the wrist pin bearing. The kit includes silver-coated thrust washers and crank pin bearings for enhanced lubricity, sold complete with all necessary components.

Features:

• Manufactured from hot-rolled ASTM 4115 steel, case-hardened to 58-62 Rc.


• Advanced scalloping and vent slots reduce high RPM bearing race distortion.


• Double-forged rods improve grain flow and dimensional consistency.


• Shot-peened and double-honed for superior strength under heavy loads.


• Double-drilled small ends provide increased lubrication and cooling for wrist pin bearings.


• Silver-coated thrust washers and crank pin bearings for improved lubricity.


• Complete kit with rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.

Specifications:

• Big End Bore: 38.00 mm


• Center to Center: 98.00 mm


• Pin Diameter: 30.00 mm


• Pin Length: 53.70 mm


• Small End Bore: 16.00 mm

Cross-Reference OEM Part Numbers:

• Athena P40321042


• Psychic MX-09038


• ProX 03.6326


• Wossner P4003


• Hot Rods 8667


• 77030015144


• 77030015244

Vehicle Fitments:

• KTM 250 SX-F: 2005–2015


• KTM 250 XC-F: 2007–2015


• KTM 250 XCF-W: 2008–2013


• KTM 250 SXS-F: 2006–2008


• KTM 250 EXC-F: 2006–2007


• KTM 350 SX-F: 2013–2015

Part Number: 56-864.HR