Ford 351C Cleveland Exhaust Valve Guide (3061) They use silicon aluminum bi-metal

They use silicon aluminum bi-metal construction

Speedmaster pumps draw just 5

and these cast aluminum pans have a beautiful polished finish for great looks

Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks

These brackets are made from heavy gauge steel to prevent flex

Ford 351C Cleveland Exhaust Valve Guide (3061) They use silicon aluminum bi-metalSpeedmaster valve guides are constructed from high quality bronze for durability and wear, and built to exacting tolerances, they replace your existing worn or damaged valve guides. These guides are offered in a variety of diameters to suit your application..