Sierra Marine Yokes 18-2125 Exhaust Manifolds Marine alternators must withstand constant

Marine alternators must withstand constant vibration

0-inch tube path from the catalytic converter back significantly reducing backpressure compared to the factory system

American-made and designed for the real world

The Rebel D681 is a Rebel wheel designed to upgrade the appearance and performance of your truck

Constructed from mandrel-bent aluminized steel with inlet diameters matching factory downpipe outlets at 2

Sierra Marine Yokes 18-2125 Exhaust Manifolds Marine alternators must withstand constantThe Sierra Marine Yoke 18 2125 is a precision machined replacement yoke engineered for marine sterndrive applications where saltwater corrosion and high RPM stress demand premium materials. Designed to fit Mercury MerCruiser Alpha One and Gen II outdrives, this yoke handles the brutal transition from prop load to wide open throttle in performance boats and ski rigs. Machined from heat treated 4140 chromoly steel, the 18 2125 features a splined