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These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body
The steel gaskets help even out the flow between the head and header flange to minimize warping
Uses OEM support bushings
4340 chromoly H-beam connecting rods
Speedmaster Twin-Carb combine two four-barrel carburetors to achieve the best balance of drivability
GM Powerglide Park Pawl Pin Shaft These MidAir Series Manifolds includesSpeedmaster automatic transmission rebuild components ensure smooth gear changes and overall transmission performance.
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