General description The MaXpeedingrods H-Beam Connecting Rods are designed specifically for various Opel models, including the Calibra 2.0L C20xe and C20LET, providing a lightweight yet strong solution for high-performance applications. These connecting rods are forged from SAE 4340 chrome moly steel, ensuring exceptional strength and durability, making them ideal for racing enthusiasts. 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: Titanizing Forged SAE 4340 Chrome Moly Steel Quantity: 4 pieces Bolts: ARP 2000 3/8" bolts included (optional upgrade to ARP L19 bolts available) Advertised horsepower rating: 200 HP/piece Top acceleration: 9000 rpm Package size: 28 cm x 21 cm x 10 cm Compatibility and accessories Compatible with the following models: Opel Astra F (1991-2001) 2.0i 16V Opel Astra G (1998-2009)