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Patriot Exhaust GM Specific Fit Headers

737-H8021-1


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Patriot Exhaust H8021-1
$381.99
5 left in stock
GM Specific Fit Headers
  • 1955-1987 GM Vehicles 265-400
    (Select Details Tab Below for Complete Listing)
  • 1-5/8'' Primary Tubes
  • 3'' Collector
  • Round Port Shape
  • Metallic Ceramic Coated
  • Free Shipping - Ships
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    Does Patriot Exhaust H8021-1 fit your vehicle?

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    1974 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: CUSTOM
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: U

    1972 CHEVROLET MONTE CARLO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1970 CHEVROLET EL CAMINO

    • Liter: 6.5
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 396
    • Engine Type: V8 ( 6.5L / 396 )
    • Engine Vin: -

    1974 CHEVROLET MALIBU

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1973 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: CLASSIC
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1974 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1973 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: ESTATE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1970 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: GREENBRIER
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1974 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: ESTATE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: U

    1972 CHEVROLET BISCAYNE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: R

    1971 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: SS
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H7608; Will not fit w/Saginaw 825 Strg.; Silver Ceramic Coating
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1968 CHEVROLET CAMARO

    • Liter: 6.5
    • SubModel: SS
    • Aspiration: NATURALLY ASPIRATED
    • Fitment Notes: Collector: 3"; Port: RD; Primary: 1 5/8"; Fits most angle plug heads; Req. left side AC Brkt H76081979 and later; with short compressors use stock Brkt.; Silver Ceramic Coating
    • CUI: 396
    • Engine Type: V8 ( 6.5L / 396 )
    • Engine Vin: -
    H8021-1 - Patriot GM Car Specific Fit Headers is rated 4.8 out of 5 by 4.
    Rated 5 out of 5 by from Installed on 1960 Apache 10 The quality is good. The fit is great. I have lower the truck and the long tube headers I had hung below the frame rail. These fix nice in the engine compartment and the header/collector exit is higher and clearing the starter and should make installing the exhaust easier. I’m still in the process of building the truck, so can’t say on longevity. The only think I didn’t like is the collector steps down to a 2.25 exhaust. I’m running a 2.5 exhaust. I couldn’t find anywhere on the webpage this information. Going to have to purchase new collectors. I would recommend them!
    Date published: 2020-10-28
    Rated 5 out of 5 by from Great fit I was having a problem getting the right fit for the engine swap I did on my 1960 Apache 10. These headers were the perfect answer. And they look good too.
    Date published: 2019-12-02
    Rated 5 out of 5 by from Great fit, w angle plugs Install was not overly difficult on 68 camaro. Fit great , ceramic coating looks good
    Date published: 2017-07-17
    Rated 4 out of 5 by from Second set was fine Installed on 68 Elcamino. Had an exhaust leak that I finally figured out was coming from where the tubes were welded to the collector at the factory. Jegs took care of that with no problem. Have a few hundred miles on them and look good.
    Date published: 2018-11-28
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    Do these blue after use?

    Asked by: Lerb
    Yes, depending on the amount of heat developed they can blue slightly.
    Answered by: Rusty B
    Date published: 2018-03-28
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