General description Please carefully check the size of the rods in specific and description application. These conrods are designed for various Opel and Vauxhall models, ensuring a perfect fit and optimal performance. Technical specifications Center to center length: 143 mm / 5.6299 in Big end diameter: 52 mm / 2.0472 in Small end diameter: 21 mm / 0.82677 in Big end width: 26.3 mm / 1.03543 in Small end width: 21.9 mm / 0.8622 in Material: Forged SAE 4340 Chrome Moly Steel ARP 2000 bolts rated at 220,000 psi; optional ARP L19 fasteners rated at 260,000 psi available Big end bores honed to +/- .01 mm (+/-.0004 in) tolerance Balanced to within +/- 1 g per rod Each rod is magnetic particle tested and 100% X-rayed, sonic tested Compatibility and accessories Compatible with the following models: Opel Astra F 1991-2001 2.0i 16V Opel Astra G 1998-2009 Coupe 2.0 16V Turbo Opel Calibra A 1990-1997 Coupe 2.0i 16V, 2.0i 16V 4x4 Opel Kadett E 1984-1993 Hatchback 2.0 GSI 16V Opel Speedster