Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Polished] and throttle bodies

and throttle bodies

Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

Speedmaster valve locks are wider-angled 10 degree locks

Other features include a flush mount

the need for more airflow is necessary

Ford SB 260 289 302 Windsor LowRise Aluminum Intake Manifold [Polished] and throttle bodiesThe 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.