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Hedman Standard Duty Uncoated Headers for 1955-57 Chevy Passenger 283-400

500-65004

made in usa

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Hedman 65004
$283.99
Standard-Duty Uncoated Headers
  • 1955-57 Chevy Passenger 283-400
  • Tube Diameter: 1-3/4"
  • Collector Size: 3"
  • Free Shipping - Ships directly from the manufacturer on 06/17/20

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    1957 CHEVROLET ONE-FIFTY SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET BEL AIR

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET TWO-TEN SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET TWO-TEN SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET BEL AIR

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET BEL AIR

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET ONE-FIFTY SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET TWO-TEN SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET BEL AIR

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET TWO-TEN SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET ONE-FIFTY SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    1957 CHEVROLET ONE-FIFTY SERIES

    • Liter: 4.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Air Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: No; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).; Footnotes: (219) Will fit 605 steering box.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1)
    • CUI: 283
    • Engine Type: V8 ( 4.6L / 283 )
    • Engine Vin: -

    Can these headers be installed on a new Blueprint engine while it's being broken in? I don't drive my car very much so 500 miles would be awhile and my mechanic wouldn't be happy.

    Asked by: reggiej
    It may shorten the life of the headers somewhat. The main concern is that you don't want them on there if you are doing the initial break-in of a flat-tappet camshaft, where you spend around 25 minutes varying the rpm in a specific range while the cam and lifters develop their initial wear pattern. That creates a lot of heat in the exhaust and can get the headers red hot. If your crate engine has a hydraulic flat tappet cam break in the cam with manifolds bolted up to it then you can install the headers if you like afterward and not risk so much. If your crate motor has a roller cam then the cam break-in does not apply.
    Answered by: Matt_B
    Date published: 2018-03-18
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