Air Cleaner Adapter - 5 1/8" to 3 1/16" Speedmaster I-beam connecting rods are

Speedmaster I-beam connecting rods are profiled with clearance for long stroke applications

This construction ensures superior strength

to increase their load-handling characteristics by 100 percent

Available for different applications

The steel gaskets help even out the flow between the head and header flange to minimize warping

Air Cleaner Adapter - 5 1/8" to 3 1/16" Speedmaster I-beam connecting rods areSpeedmaster air cleaner adapters will adapt your carburetor to a standard size air cleaner base. They're made from a durable, lightweight, high impact material that's heat resistant, too. Make air cleaner fitment a breeze with one of these Speedmaster air cleaner adapters.