Eagle H-beam connecting rods are forged from SAE 4340 steel for superior strength. ARP bolts (2000, 8740 or L19 Series) and alignment sleeves are used for durability and precise cap location. Sets are weight matched to +/- 1g. Sizing is performed on the unique Sunnen Krossgrinding system for a perfect housing bore. These are the perfect choice for engines up to 750 hp. PartNumber : eagCRS6125O3D2000 Description : Forged Steel H-Beam Connecting Rods; Set Of 8 Weight : 620g Bolts : 7/16" ARP 2000 Pin : 0.927" Length : 6.125" 2006-2010 Chevrolet Corvette Z06 V8.7011cc Engine Components::Connecting Rods - 8Cyl 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Connecting Rods - 8Cyl 2004 Pontiac GTO Base V8.-cc Engine Components::Connecting Rods - 8Cyl 2005-2006 Pontiac GTO Base V8.5967cc Engine Components::Connecting Rods - 8Cyl