General description Conrods H Beam Connecting Rods are specifically designed for high-performance applications in Peugeot 309 GTI, 405 MI16, and 1.9L S16 XU9J4 vehicles. These rods are made from forged 4340 aircraft chrome moly quality steel, ensuring exceptional strength and durability for racing conditions. Technical specifications Type: Forged 4340 aircraft chrome moly steel Quantity: 4 pieces per set Bolts: Genuine ARP 2000 3/8" bolts included (upgrade available to ARP L19 bolts at extra cost) Tolerance: Balanced to +/- 1 gram per set Piston Bolt Hole Tolerance: ±4/1000mm Power Capacity: 600hp ~ 800PS per set Strength of Fastening: 220,000/230,000 PSI Torque: 48ft ≈ 65 NM Top Acceleration: 9000rpm Warranty: 2 years for manufacturing defects Dimensions: Center to Center Length: 143mm Big End Diameter: 53.69mm Small End Diameter: 22mm Big End Width: 22.45mm Small End Width: 22.45mm Installation Professional installation is highly recommended as no instructions are included with the