General description H Beam Connecting Rods designed for Opel and Vauxhall vehicles, specifically for the 1.6L 16V C16XE/X16XE engines. These rods are ideal for racing applications, providing high strength and durability. Technical specifications Material: Forged SAE 4340 Chrome Moly Steel Pin Type: Floating Pin Quantity: 4 pieces Bolts: Includes ARP 2000 5/16" bolts (optional upgrade to ARP L19 bolts available) Advertised Horsepower Rating: 200 HP/piece Top acceleration: 9000 rpm Dimensions: Center to center length: 129.75 mm / 5.108" Big end diameter: 46 mm / 1.811" Small end diameter: 18 mm / 0.709" Big end width: 21.8 mm / 0.858" Small end width: 17.9 mm / 0.705" Package size: 28 cm x 21 cm x 10 cm Compatibility and accessories Compatible with: Opel Corsa GSi (1993–1994) C16XE Opel Astra G 1.6L 16V X16XE Opel Corsa B 1.6L 16V X16XE Opel Tigra A 1.6L 16V X16XE Opel Vectra B 1.6L 16V X16XE Opel Zafira B 1.6L 16V X16XE Installation Professional installation is highly recommended.