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Ultra XP uses -8 ORB bowl ports
or regulators
Transmission cooler lines (pair with transmission adapter fittings)
Which AN sizes does this kit cover
Factory-Style Inline EFI Fuel Filter — ≤10 µm (Includes -6 AN Fittings)
Holley 12-840 Carb Fuel Pressure Regulator — 4.5–9 PSI shears Ultra XP uses -8 ORBHolley 12 840 Carb Fuel Pressure Regulator 4. 59 PSI Dial in steady carbureted fuel pressure with a compact, billet regulator. Adjustable 4. 59 PSI, non return (dead head) design, with one inlet and dual outlets for easy split feeds. Includes a 1 8" NPT gauge port and mounting bracket. Why builders choose this regulator Carb perfect range: adjustable 4. 59 PSI for street strip carb setups. Simple plumbing: no return line needed; one 3 8" NPT inlet
