Quick view Ford Racing Ford Racing EFI Heat Spacer .5inch Stock 5.0L Intake - M-9486-A51 Compare $94.00 $93.99 Ford Motorsports intake plenum spacers are CNC-machined from Westinghouse Type C phenolic material. These spacers fit between the upper and lower intake manifold to help dissipate heat and significantly increase performance. Mounting hardware is included... Add to Cart Add to Cart