General description MaXpeedingRods H-beam connecting rods are engineered for high-performance racing applications, enhancing horsepower and efficiency while maintaining a lightweight design. These rods are crafted for durability and wear resistance, making them suitable for high-horsepower setups. Technical specifications Type: Forged 4340 aircraft chrome moly quality steel Quantity: 4 pieces Advertised Horsepower Rating: 200 HP/piece Top acceleration: 9000 rpm Center to center length: 135 mm / 5.315" Big end diameter: 52 mm / 2.047" Small end diameter: 22 mm / 0.866" Big end width: 23.876 mm / 0.94" Small end width: 23.88 mm / 0.94" Package size: 28 cm x 21 cm x 10 cm Compatibility and accessories Compatible with BMW 2002 Ti / ii Turbo M10 Engine 135mm Compatible with BMW 1962-1988 M10 Engine 135mm Compatible with BMW 2 Series 2002 Tii M10 Includes Genuine ARP 2000 3/8" bolts (optional upgrade to ARP L19 bolts available) Installation Professional installation is highly recommended