H-beam Conrods Quantity: 4 Pieces a set. for Renault R5 Turbo 11. Bolts: Including ARP 2000 bolts. Note: Extra cost for upgrading to ARP L19 bolts. Bolts Size: 3/8". It focuses on researching and developing various performance products, such as, high-performance racing car’s connecting rod, crankshaft, piston, suspension and air spring.