MANLEY NHRA Legal Super Stock I-Beam Steel Connecting Rods [Length Stock LS | Journal Size Large | Center-to-Center 6.100 | Big End Bore 2.225 | Pin Bore .8761 to .9281 | Avg. Gram Weight 610] (GM LS) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS