I Beam Pro 6.385" 2.200" .990" 4340 Connecting Rods Chevy BBC 454 w/ ARP 2000 All rockers feature large needle

All rockers feature large needle bearings or bushes and roller tips

they replace your existing worn or damaged valve guides

bringing both style and practicality to your daily routines

lower glass channel

The Speedmaster C4 performance planetary gear sets eliminate your weakest link

I Beam Pro 6.385" 2.200" .990" 4340 Connecting Rods Chevy BBC 454 w/ ARP 2000 All rockers feature large needleSpeedmaster I beam connecting rods incorporate all of the best features possible for an I beam rod, including some strength adders found in H beam designs. Speedmaster I beam connecting rods are profiled with clearance for long stroke applications. These connecting rods feature a one rib cap design for added strength and bearing support, polished beams to eliminate stress risers.