Application Compatible for Honda CBR1000RR 08-15 SpecificationQuantity: 4 Pieces a set Bolts: Including 5/16\" ARP 2000 bolts (Note: Extra cost for upgrading to ARP L19 bolts) Material: Forged 4340 aircraft chrome moly quality steel for racing Weight Tolerance: Balanced to +/- 1 gram in set DimensionsCenter to center length: 104.50mm Big end diameter: 39.5mm Small end diameter: 17mm (Note: Please confirm the dimensions before purchase the connecting Rods)NotePlease consider this before purchasing. If there is any questions, please feel free to contact us.