Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Polished] these caps have a one

these caps have a one way valve

These Speedmaster vibration mounts are designed to help protect your ignition box or ignition coil from extreme vibration and the damage associated with it

Other features include a flush mount

oil pan gaskets

Speedmaster valve locks are wider-angled 10 degree locks

Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Polished] these caps have a oneThe Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application.