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JEGS Metallic Ceramic Coated Long Tube Headers 1968-1974 Big Block Chevy Passenger Car (396-502 c.i.)

555-300103


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JEGS 300103
$415.14
More than 10 available
Metallic Ceramic Coated Long Tube Headers
  • 1968-1974 Big Block Chevy Passenger Car (396-502 c.i.)
  • SAP Port Shape
  • 2" Primary Tubes
  • 3-1/2" Collector
  • 3/8" Flange Thickness
  • Free Shipping - Ships
    Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders. Promo Code: JULY4 exclusions apply
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    Does JEGS 300103 fit your vehicle?

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    1971 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: U

    1971 CHEVROLET IMPALA

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: -

    1970 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1971 CHEVROLET BISCAYNE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1971 CHEVROLET BISCAYNE

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 402
    • Engine Type: V8 ( 6.6L / 402 )
    • Engine Vin: -

    1971 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: CUSTOM
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: E

    1973 CHEVROLET CHEVELLE

    • Liter: 7.4
    • SubModel: DELUXE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: X

    1973 CHEVROLET MALIBU

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: Y

    1970 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 402
    • Engine Type: V8 ( 6.6L / 402 )
    • Engine Vin: -

    1971 CHEVROLET BEL AIR

    • Liter: 6.6
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 400
    • Engine Type: V8 ( 6.6L / 400 )
    • Engine Vin: -

    1971 CHEVROLET BISCAYNE

    • Liter: 7.4
    • SubModel: BASE
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: -

    1974 CHEVROLET CAPRICE

    • Liter: 7.4
    • SubModel: CLASSIC
    • Aspiration: NATURALLY ASPIRATED
    • CUI: 454
    • Engine Type: V8 ( 7.4L / 454 )
    • Engine Vin: X
    300103 is rated 3.3 out of 5 by 3.
    Rated 5 out of 5 by from Very nice set of headers This is a very nice set of headers. I'll say that I highly suspect they are made by a major manufacturer, as the part number stamped into the header flange indicates. Very good quality and I saved about 40 ordering the Jegs version. They do hang a bit low on my 72 chevelle, I suspect I need to replace the trans mount to help bring them up two inches or so. The coating looks very nice, there were two small scuffs on the downpipes when I unwrapped them, but it wasn't through the coating and I'm being really picky about it. I'll end up doing worse than than in upcoming years. I heat cycled them and they look great still. They sound great and fit well, I can't complain at all. The fit is tight everywhere, but running this size primary tube with everything else in the stock location, it's to be expected. I did have to move my brake distribution block and modify my trans linkage for my column shift to work with my TH350. Everything works great now though.
    Date published: 2015-03-18
    Rated 4 out of 5 by from Look goog Nice but had to take them on and off a few times to adjust one of the tubes. To clear the lower control arm mount both sides. Good thing I have a good selection of BFH's
    Date published: 2015-12-27
    Rated 1 out of 5 by from Didn't work for me These were SUPPOSED to fit my car. A 68 Impala big block 427 WITH power steering. They DO NOT. They will NOT clear the steering box.Like a dumby, I thought a small dent would make them work. It did not. Now, I'm stuck with a set of headers that I can't use ....or return. That Stinks. Be careful buying these
    Date published: 2017-09-01
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    How big are the reducers

    Asked by: Cogi
    The reducers bolt to the 3.5" collector and have a 2.5" pipe outlet diameter.
    Answered by: Rusty B
    Date published: 2018-02-13

    Do these for a 1969 Chevy c10 with a 396 big block?

    Asked by: Danny530
    No but we do make header that do; JEGS #300112
    Answered by: Dean R
    Date published: 2018-01-10
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