TEST Item New they replace your existing worn

they replace your existing worn or damaged valve guides

Speedmaster valve guides are constructed from high-quality bronze for durability and wear

and highly viscous silicone fluid between the two--these SFI-approved Fluid dampers can control all crankshaft vibration

They allow for easy removal without any extra tools

strong vibration forces can be transmitted through the chassis to your Speedmaster ignition units and coils

TEST Item New they replace your existing wornMade from 5051 aircraft aluminum alloy, our Speedmaster aluminum fuel cells offer superior strength in a lightweight package. The cells have foam in the base to prevent fuel aeration, and have TIG welded seams. Other features include a flush mount, aircraft style cap and 10 AN pickup, vent, and return line fittings. Plus, all our models include a 0 90 ohm built in fuel level sending unit.