K1 Technologies 04-07 Chevy ECOTEC LSJ H Beam Billet Connecting Rods - Set of 4

K1 Technologies connecting rods offer world-class performance at an affordable price. Our race-ready connecting rods are made from 4340 forged steel, use premium bushing material and are hand finished in the USA. K1's Engineering Team has decades of experience designing components for professional racing engines and designs each rod for demanding race applications. Don't trust your engine to anything but K1 Rods!

 

- 4340 Forged Steel - Strength, toughness and resistance to impact

- Proprietary ARP Bolts - Asymmetrical threads

- Pin Oiling - Extra lubrication to minimize pin wear

- Heavy Radii - Minimizes clearance without focusing stress in tight radii

- Thicker Blades - Minimizes outward bowing at peak combustion pressure

- Rod Offset - Center small end to bore center optimizes horsepower

- + / -.000050 (50 millionths) tolerance on big end housing bore - Longer bearing life

- High tolerance center to center length (< .001") - Increased horsepower and efficiency

- Specifically engineered for demanding race applications - Strength for high horsepower applications while keeping additional weight to a minimum

 

- Billet 4340 Steel H-Beam Design
- Designed by in-house engineering team for high-stress racing applications
- All rods are finished in the USA and held to very tight tolerances. Bores finished to - - +/- .0001" and weight to +/- 1 gram per end.
- Shot peened for improved fatigue life
- Premium bronze wrist pin bushings
- High Quality ARP 2000 Fasteners included

 

H-Beam Design with ARP 2000 Bolts