General description Steel Conrods Connecting Rods with ARP Bolts are designed specifically for the Ford Duratec 2.0L engine and compatible Mazda models. These high-performance connecting rods are made from forged 4340 aircraft chrome moly quality steel, ensuring exceptional strength and durability for racing applications. Each set includes four H-beam conrods and ARP 2000 bolts, which are rated at 220,000 psi, with an option to upgrade to ARP L19 bolts rated at 260,000 psi. Technical specifications Center to center length: 146.25mm / 5.758" Big end diameter: 50.035mm / 1.97" Small end diameter: 21mm / 0.827" Big end width: 21.82mm / 0.859" Small end width: 18.03mm / 0.71" Advertised horsepower rating: 200HP/piece Top acceleration: 9000rpm Package size: 28CM x 21CM x 10CM Compatibility and accessories Compatible with Ford Duratec 2.0L engine Fits Ford Focus LT and LS Compatible with Mazda MZR LF 2.0L engine Fits Mazda 3 BK Series 2 and BL Series 1 Compatible with Mazda MX-5 NC and NC