Ford Focus RS Aftermarket Connecting Rods by K1 Technologies Upgrading your Ford Focus RS motor? You might be interested in swapping out your connecting rods for a tougher set. K1 Technologies now offers world-class performance at an affordable price. Their race ready connecting rods are made from 4340 forged steel and uses premier bushing material which is created in the USA. K1's engineering team has had decades of experience designing components for high horsepower performance motors.K1 Technologies Ford Focus RS Connecting Rods Features:4340 forged steel - strength, toughness and resistance to impact Proprietary ARP Bolts - Asymmetrical threads Pin oiling gives extra lubrication to minimize pin wear Heavy Radii minimizes clearance without focusing stress 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 housing bore gives longer bearing life High tolerances from the center to center length (< .001") increases horsepower and efficiancy Specifically engineering for racing applications