I Beam Pro 6.385" 2.200" .990" 4340 Connecting Rods Chevy BBC 454 w/ ARP 2000 Speedmaster manufactures these master cylinders

Speedmaster manufactures these master cylinders from quality materials to ensure proper fitment

The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine

making things safer for you and everyone nearby

The outer shell of these joints is a single forged steel piece

I Beam Pro 6.385" 2.200" .990" 4340 Connecting Rods Chevy BBC 454 w/ ARP 2000 Speedmaster manufactures these master cylindersSpeedmaster 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.