I Beam 6.385" 2.200" .990" 5140 Connecting Rods Chevy BBC 454 w/ ARP 2000 The Speedmaster shift selector shaft

The Speedmaster shift selector shaft is built with sturdy

Are you looking to strengthen your differential

The Speedmaster pinion supports are made from the best quality nodular iron

Easy--they combine an electric motor that is much stronger than a stock starter for serious torque

Speedmaster billet main caps are precision CNC-machined from superior-quality 1025 billet steel

I Beam 6.385" 2.200" .990" 5140 Connecting Rods Chevy BBC 454 w/ ARP 2000 The Speedmaster shift selector shaftThese Speedmsater 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.