Billet 5.4 GT500 Throttle Body Flange Billet GT500 Oval Throttle Body Flange This flange matches the OEM Throttle Body used for Custom Sheet Metal Intakes. 1/2" Thick Billet Aluminum Flange WARNING: Cancer and Reproductive Harm – www.p65Warnings.ca.gov MSRP: Was: Now: $80.00 Add to Cart Compare