MANLEY PRO SERIES I-Beam Steel Connecting Rods w/ ARP 625+ [Center-to-Center 6.657 | Big End Bore 2.239 | Big End Width .940 | Pin Bore .8671 | Avg. Gram Weight 750] (FORD 5.4L MOD) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS