Connecting Rod Kit. ProX Connecting Rods are what helped build what the brand is today. ProX Connecting Rod Kits are double forged out of dedicated (per part number) forgings, and made out of the toughest Japanese alloys available today. O.E.M specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble-free performance and abuse! Designed to exact O.E.M. specifications. Double forged to maintain superior strength, durability and dimensional consistency through improved grain flow. Comes complete with crankpin, big-end bearing, small-end bearing, and washers. Note: Product images may differ from the actual product. Image may be a representation of this item. Detailed Specifications: Big end bore (mm): 45.00. Big end width (mm): 23.00. Length (mm): 179.00. Center to center length (mm): 132.00.