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They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power
The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles
This is our most popular manifold and is showing up on many performance street machines and street rods
The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine
the LS-series heads are produced using our "Gravity Casting" process
14" x 3" Washable Element Extreme Top w/Black Ring Flat Base Air Cleaner Kit They have injector bosses preciselySpeedmaster's air cleaners not only look great, they also provide your engine with cleaner air for better performance. They're available in round and oval styles, and you can choose between plain polished, straight ball milled, and flame ball milled finishes.
