Hells Gate Hot Rods

(208) 305-6469

Browse Categories
  • BOMBER STYLE SEATS
  • 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)
  • MANDREL BENDS
    • COLD-ROLLED STEEL
  • PEDAL ASSEMBLIES
  • PLASMA TRACER
  • Products
  • Builds
  • Services
  • About Us
    • Customer Reviews
    • In the Media
  • Blog
  • Contact Us
    • Contact Form
    • Events
Search
Login / Register
0 Wishlist
0 items $0.00
Menu
Hells Gate Hot Rods
0 items $0.00
Click to enlarge
Home Products Tube Size 1.625" Oldsmobile 303 Straight Lake Header Kit
Mopar Slant 6 170-225 Straight Lake Header Kit $219.00
Back to products
Oldsmobile 371-394 Swept Lake Header Kit $249.00

Oldsmobile 303 Straight Lake Header Kit

$219.00

Clear
Compare
Add to wishlist
SKU: 900-0180 Categories: 1.625", 1949, 1950, 1951, 1952, 1953, 303, Exhaust Kits & Accessories, Header Kits (U-Weld), Lake Header Kits, Oldsmobile, Straight Lake Header Kits
Share:
  • Description
  • Additional information
  • Shipping & Delivery
Description

Includes One Straight Lake Header Kit for the Oldsmobile 303 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

1 – 1-5/8″ OD, 0.065″ wall plain steel (not aluminized!) 180 degree mandrel bend

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

2 – 1-5/8″ 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:

Oldsmobile

            303 cu. in (1949-53) 

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

 

Ports designed to be used with 1 5/8” tubing for the end ports and 2 1/4″ tubing for the center port..

 

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

Additional information
Weight 9.0718474 lbs
Dimensions 8 × 36 × 8 in
Megaphone Size

3.5" Outlet, 4" Outlet

Shipping & Delivery

Related products

Ford Big Block 429-460 Straight Lake Header Kit
Compare

Ford Big Block 429-460 Straight Lake Header Kit

Rated 5.00 out of 5
$219.00
Includes One Straight Lake Header Kit for the Big Block Ford 429, 460 hot rod motor (see motor applications below). 
Add to wishlist
Select options
Quick view
Buick Nailhead 364-425 Exhaust Flange Straight Lake Header Kit
Compare

Buick Nailhead 364-425 Straight Lake Header Kit

Rated 4.75 out of 5
$219.00
Includes One Straight Lake Header Kit for the Buick Nailhead hot rod motor (see motor applications below).  These flanges are
Add to wishlist
Select options
Quick view
Ford 351C, 351M, 400 Swept Lake Header Kit
Compare

Ford 351C, 351M, 400 Swept Lake Header Kit

$249.00
Includes One Swept Lake Header Kit for the  Small Block Ford 351C, 351M, 400 (2V heads) hot rod motor (see
Add to wishlist
Select options
Quick view
Compare

Chevrolet 4.3L V6 Straight Lake Header Kit

Rated 5.00 out of 5
$219.00
Includes One Straight Lake Header Kit for the Chevrolet V6 4.3L motor (see motor applications below).  These flanges are cut
Add to wishlist
Select options
Quick view
Oldsmobile Big Block 350-455 Swept Lake Header Kit
Compare

Oldsmobile Big Block 350-455 Swept Lake Header Kit

Rated 5.00 out of 5
$249.00
Includes One Swept Lake Header Kit for the Big Block Oldsmobile 400, 425, 455 hot rod motor (see motor applications
Add to wishlist
Select options
Quick view
Chevrolet 348-409 Swept Lake Header Kit
Compare

Chevrolet 348-409 Swept Lake Header Kit

$249.00
Includes One Swept Lake Header Kit for the Chevrolet 348, 409 hot rod motor (see motor applications below). These flanges
Add to wishlist
Select options
Quick view
Chevrolet Big Block 396-454 Swept Lake Header Kit
Compare

Chevrolet Big Block 396-454 Swept Lake Header Kit

Rated 4.00 out of 5
$249.00
Includes One Swept Lake Header Kit for the Big Block Chevrolet 396, 400, 427, 454 hot rod motor (see motor
Add to wishlist
Select options
Quick view
Ford FE 332-390 Straight Lake Header Kit
Compare

Ford FE 332-390 Straight Lake Header Kit

Rated 4.50 out of 5
$219.00
Includes One Straight Lake Header Kit for the Ford FE 332, 352, 361, 390 hot rod motor (see motor applications
Add to wishlist
Select options
Quick view
  • 1012 Viola Lane, Viola ID 83872
  • (208)305-6469
CONTACT US

NEWSLETTER SUBSCRIPTION

FOLLOW US

© 2023 HELLS GATE HOT RODS - PRIVACY POLICY -TERMS & CONDITIONS
  • Menu
  • Categories
  • BOMBER STYLE SEATS
  • 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)
  • MANDREL BENDS
    • COLD-ROLLED STEEL
  • PEDAL ASSEMBLIES
  • PLASMA TRACER
  • Home
  • Products
  • Builds
  • Services
  • About Us
    • Customer Reviews
    • In the Media
  • Blog
  • Contact Us
    • Events
  • Wishlist
  • Login / Register
Shopping cart
Close
Sign in
Close

Lost your password?

No account yet?

Create an Account