PERFORMANCE INTAKE MANIFOLD GASKET SETFel Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Brake Pressure

and boost track consistency

pressure agents and shift modifiers that will provide extended transmission life and drastically improve shift feel

Not using Holley EFI sensors

5" and 4" inlet tube systems

UMI is not responsible for fitment issues which may arise from using incompatible components

LST lobe profiles and #7230 valve springs allow 7500 RPM+

Factory length for '65-'86 Chevrolet 396 Big Block

AQ-1 Data Logger

Launching harder

fuel bowls

PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain