Center to center length: 111mm. for Suzuki GSX-R1000 2001-2004 K1 K2 K3 K4. Bolts: Including Genuine ARP 2000 bolts. Note: Extra cost for upgrading to ARP L19 bolts. It focuses on researching and developing various performance products, such as, high-performance racing car’s connecting rod, crankshaft, piston, suspension and air spring.