Callies Compstar Xtreme H-I Conrod Set, 6.700" Length, 2.200" Big End, .990" Pins (CACSB6700ES3BDAX)XTREME H I CONRODS, BBC 6. 700" Suit Big Block Chev Part Number: CACSB6700ES3BDAX The next step in the Compstar line up. All the quality, reliability and workmanship you have relied upon for years from the Compstar line up is taken to the Xtreme. Specifically designed for power adder and diesel applications. The Compstar Xtreme utilizes the same proven 4340 material and ARP 2000 or L19 fasteners. Strength is added by thickening up the flanges of the H