MANLEY H-Beam Steel Connecting Rods w/ ARP 8740 [Center-to-Center 6.125 | Big End Bore 2.225 | Big End Width .941 | Pin End Width 1.060 | Pin Bore .9457 | Avg. Gram Weight 655] (GM LS) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS