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Thread: Fuel Rail Fittings

  1. #1

    Default Fuel Rail Fittings

    I have Holley 534-218 fuel rails. What fittings do these use on the ends?

  2. #2
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    15,277

    Default

    Can you tell me the thread size (LINK)? Also, which -AN size hose/fittings you'll be using? If so, I can give you the Earl's o-ring port fitting part number (LINK).
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

  3. #3

    Default

    I'll have to check the thread size tomorrow. Thank you.

  4. #4
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    15,277

    Default

    They're probably machined for 3/4-16" threaded o-ring port fittings, just like this Holley 534-210 Fuel Rail Kit. If so, use Earl's AT985068ERL (-6AN hose fitting) or Earl's AT985008ERL (-8AN hose fitting).
    May God's grace bless you in the Lord Jesus Christ.

    '78 BRONCO: 508" stroker, TFS heads, 11:1 comp ratio, Dominator MPFI & DIS, cold air induction, Spal dual 12" fans/aluminum radiator, dual 3" exhaust/Magnaflow mufflers, Moroso vacuum pump, Accusump, engine oil & trans fluid coolers, 100HP progressive dry direct-port NOS, A/C, LenTech Strip Terminator wide-ratio AOD/2500 RPM converter, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, traction bars, 4" Skyjacker lift, 35" mud tires

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