The billet? FI fuel pressure regulator is designed to be a space saving option when mounting on the end of the fuel rail or near the throttle body. The fuel pressure regulator is preset at 59.5 PSI. The regulator cap can be removed & re-oriented to suit desired fuel routing. The billet 6061-T6 body has been machined for SAE6 ports & has three 6AN fittings & one extra plug included. Constructed from Billet 6061-T6 Aluminum. Anodized in all black. Machined for all SAE6 ports, with 3 6AN fittings included. Includes an extra plug to replace one fitting when installed post throttle body / fuel rail. Can be disassembled & re-oriented to suit desired fuel routing. Pre-set 59.5 PSI. Compatible with Holley Snip? R & Snip? R Stealth among other applications. Inlet Size: 6 AN. Material: Billet 6061 Aluminum. Outlet Size: 6 AN. Pressure Range: 59.5 Pre-Set. Product Type: Fuel Pressure Regulator. Return Size: 6 AN. We also have thousands of other High Performance Parts in our. We want you to have the parts as bad as you do.