4.96" Briggs Model 42 Opposed Twin pressure lube with bearing inserts.
These rods are designed for the Briggs and Stratton Opposed Twin Model 42 Boxer engine with pressure lube. These rods are designed to use the Model 28(#792307) and 31 AVS pistons. Minor grinding on the camshaft will be necessary and is explained in the instructions included with the rod. You will need 2 rods.
Rod bolt torque: 26 ft/lbs Lubricated