I Beam Pro 6.125" 2.100" .927" 4340 Connecting Rods Chevy SBC 350 w/ ARP 2000 These Speedmaster rear main seals

These Speedmaster rear main seals are manufactured from aluminum and require no drilling or welding for installation

O-ring seal and bolts are included

measuring 92mm

Intended for gasoline use

In many performance applications

I Beam Pro 6.125" 2.100" .927" 4340 Connecting Rods Chevy SBC 350 w/ ARP 2000 These Speedmaster rear main sealsSpeedmaster 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.