I Beam Pro 6.125" 2.100" .927" 4340 Connecting Rods Chevy SBC 350 w/ ARP 2000 They are manufactured from cast

They are manufactured from cast aluminum and are offered with breather holes or without any holes

These Speedmaster dual throttle return spring kits consist of two springs and a mounting bracket to allow for proper throttle actuation

Speedmaster pinion support stud kits offer optimum durability for maximum drivetrain performance

The unique

I Beam Pro 6.125" 2.100" .927" 4340 Connecting Rods Chevy SBC 350 w/ ARP 2000 They are manufactured from castSpeedmaster 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.