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Cadillac Big Block 425-500 Swept Lake Header Kit
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Home Products Tube Size 2" Cadillac Big Block 425-500 Swept Lake Header Kit
Cadillac Big Block 425-500 Straight Lake Header Kit
Cadillac Big Block 425-500 Straight Lake Header Kit $219.00
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Chevrolet 348-409 Straight Lake Header Kit
Chevrolet 348-409 Straight Lake Header Kit $219.00

Cadillac Big Block 425-500 Swept Lake Header Kit

Rated 4.50 out of 5 based on 2 customer ratings
(2 customer reviews)

$249.00

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SKU: 901-0010 Categories: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 2", 425, 472, 500, Cadillac, Exhaust Kits & Accessories, Header Kits (U-Weld), Lake Header Kits, Swept Lake Header Kits
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  • Reviews (2)
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Description

Includes One Swept Lake Header Kit for the Big Block Cadillac 425, 472, 500 hot rod motor (see motor applications below).  These flanges are cut with a CNC HD (High Definition) Plasma cutter out of 3/8” Pickled and Oiled (P&O) steel.  P&O material is hot rolled steel that has been dipped in acid to remove the mill scale and then lightly coated with oil.  The end result is less work to clean off the mill scale as needed with hot rolled mild steel.

 

Kit includes: 

1 pair – 30″ long steel megaphones (1-5/8″ inlet & 3-1/2″ outlet) – 4″ outlet available upon request

8 – 2″ OD, 0.065″ wall plain steel (not aluminized!) 70 degree mandrel bends

1 pair – 3/8″ thick exhaust flanges – specific motor application listed above

(photo is shown just for reference, contents listed above is actually what you will receive)

 

Motor Application:

Big Block Cadillac

            425 cu. in (1977-79)

            472 cu in (1968-74)

            500 cu in (1970-76)

            *more applications/years may work, verify before purchasing.

 

Ports designed to be used with 2” exhaust tubing.

 

These flanges are designed in CAD and are test fit on an actual head to make sure proper fitment is achieved.

Additional information
Weight 11.33980925 lbs
Dimensions 8 × 36 × 8 in
Megaphone Size

3.5" Outlet, 4" Outlet

Reviews (2)

2 reviews for Cadillac Big Block 425-500 Swept Lake Header Kit

  1. Anonymous – November 15, 2016

    Rated 4 out of 5

    Nice product. But you better have some good fabrication skills and the proper tools to assemble this system. This will take some time, so don’t expect to be done in a couple hours.

  2. Chris Sutter (verified owner) – June 27, 2019

    Rated 5 out of 5

    AS DESCRIBED,PAKED GREAT,FAST SHIPPING, GREAT CONTACT.

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    • COMPLETE CHASSIS
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        • STRAIGHT LAKE HEADER KITS
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      • DUMP TUBES & TURNOUTS
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    • FORMED MERGE COLLECTORS
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      • 1 BARREL
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      • 4 BARREL
    • COLLECTOR/UNIVERSAL FLANGES
      • 3-BOLT COLLECTOR FLANGES
    • EXHAUST/HEADER FLANGES
    • INTAKE FLANGES
    • ONE-PIECE EXHAUST/INTAKE FLANGES
    • TURBO FLANGES
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