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Home Products Tube Size 1.75" Cadillac 365-429 Straight Lake Header Kit
Cadillac 365-429 Swept Lake Header Kit $249.00
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Chevrolet Late 6 Cyl 194-292 Swept Lake Header Kit $249.00

Cadillac 365-429 Straight Lake Header Kit

$219.00

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SKU: 900-0065 Categories: 1.75", 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 2", 365, 390, 429, Cadillac, Header Kits (U-Weld), Lake Header Kits, Straight Lake Header Kits
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Description

Includes one Straight Lake Header Kit for the Cadillac 365, 390, 429 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

2 – 1-3/4″ OD, 0.065″ wall plain steel (not aluminized!) 70 degree mandrel bends

2 – 1-3/4″ OD, 0.065, 10″ long plain steel tubing

2 – 2″ OD, 0.065, 10″ long plain steel tubing

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:

Cadillac

            365 cu. in (1956-58)

            390 cu. in (1959-63)

            429 cu. in (1964-67)

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

 

Ports designed to be used with 2” OD tubing for center port and 1-3/4″ tube for end ports.

 

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

Additional information
Weight 9.97903214 lbs
Dimensions 8 × 36 × 8 in
Megaphone Size

3.5" Outlet, 4" Outlet

Shipping & Delivery

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  • Menu
  • Categories
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  • CHASSIS/SUSPENSION
    • COMPLETE CHASSIS
    • RIDE CONTROL
    • SUSPENSION KITS
  • DOOR PANELS
  • DRILL GUIDES
  • ENGINE COMPONENTS
    • ACCESSORY DRIVES
    • CARBURETORS
    • MOTOR MOUNTS
    • VALVE COVERS
  • EXHAUST KITS & ACCESSORIES
    • LAKE HEADER KITS
      • HEADER KITS (U-WELD)
        • STRAIGHT LAKE HEADER KITS
        • SWEPT LAKE HEADER KITS
    • LAKE HEADER ACCESSORIES
      • DUMP TUBES & TURNOUTS
      • LAKE HEADER CAPS & BLOCKOFFS
  • MEGAPHONES, TRANSITIONS, COLLECTORS
    • FORMED MERGE COLLECTORS
    • MEGAPHONES
  • FLANGES
    • CARBURETOR FLANGES
      • 1 BARREL
      • 2 BARREL
      • 4 BARREL
    • COLLECTOR/UNIVERSAL FLANGES
      • 3-BOLT COLLECTOR FLANGES
    • EXHAUST/HEADER FLANGES
    • INTAKE FLANGES
    • ONE-PIECE EXHAUST/INTAKE FLANGES
    • TURBO FLANGES
  • INTAKE KITS & ACCESSORIES
    • FULL-WELDED INTAKES
    • INTAKE KITS (U-WELD)
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