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The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise
These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications
Speedmaster EFI intake manifolds make it simple to convert competition engines to electronic fuel injection
This feature is sometimes called an air gap design
Step up to the high-rpm power of an open plenum with Speedmaster HiRise intake manifolds
Chevy SBC 350 OEM 2 Bolt to 4 Bolt Straight Billet Steel Main Caps Middle 3 Caps The Speedmaster MidRise Air design
US$ 115.93
US$ 131.39
US$ 151.37
