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and most include bolt-in baffles that can be replaced
They're made from a tough
Available in different bore diameters to suit your specific engine's needs
This Speedmaster LowRise manifold is a direct replacement for the stock manifold on 1957-95 Small Block Chevy non-EGR engines
These brackets are made from heavy gauge steel to prevent flex
3/8" Rocker Arm Screw In Stud Kit (2.000" Above Hex) and most include bolt-in bafflesSpeedmaster arm stud kits are made of 4140 Chromoly steel. They're roll threaded, heat treated to a maximum strength of 190,000+ PSI. and have a black oxide corrosion resistant finish. They feature larger radius stud fillets for extra strength.
