855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE
Home

Doug's Headers 1964-66 Mopar A-Body Small Block with Floor Shift 1 5/8" Long Tube Header D450

Doug's Headers 1964-66 Mopar A-Body Small Block with Floor Shift 1 5/8" Long Tube Header D450
Doug's Headers 1964-66 Mopar A-Body Small Block with Floor Shift 1 5/8" Long Tube Header D450
from $2,139.58 st

Available Options

*
Model: 5124747
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
SELECT
OPTIONS
STORE PICKUP
[More Info]
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
Features:
  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name File Size
D450.pdf270.98KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Dodge Dart 1964 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Dodge Dart 1965 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Dodge Dart 1966 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Barracuda 1964 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Barracuda 1965 5.2L / 318 / V8
4.5L / 273 / V8		 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Barracuda 1966 5.2L / 318 / V8
4.5L / 273 / V8		 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Valiant 1964 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Valiant 1965 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter
Plymouth Valiant 1966 4.5L / 273 / V8 Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Full-length
with Floor Shifter

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 2.5 IN
Collector Port Diameter 2.5 IN
Cylinder Head Port Shape SAP
Design Full-length
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Full-length
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape SAP
Primary Tube Outside Diameter 1.625 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Doug's Headers 1964-66 Mopar A-Body Small Block with Floor Shift 1 5/8" Long Tube Header D450:
Reason for Inquiry:

Related Products

Doug's Headers Premium Header Gasket Chevrolet Pair 265-400 SBC Iner Square Port HG9322
Doug's Headers Premium Header Gasket Chevrolet Pair 265-400 SBC Iner Square Port HG9322
Model: 5124591
Condition: NEW
$83.99 pr
Doug's Headers Premium Header Gasket Buick Pair 350 1 3/4" Rectangle Port HG9400
Doug's Headers Premium Header Gasket Buick Pair 350 1 3/4" Rectangle Port HG9400
Model: 5124598
Condition: NEW
$87.99 pr
Doug's Headers Premium Header Gasket Chevrolet Pair 396-572 BBC D- Port HG9313
Doug's Headers Premium Header Gasket Chevrolet Pair 396-572 BBC D- Port HG9313
Model: 5124590
Condition: NEW
$83.99 pr
Doug's Headers Premium Header Gasket Chevrolet Pair 348-409 W-Motor Rectangle Port HG9348
Doug's Headers Premium Header Gasket Chevrolet Pair 348-409 W-Motor Rectangle Port HG9348
Model: 5124595
Condition: NEW
$83.99 pr
Doug's Headers Premium Header Gasket AMC Pair 304-401 Dog Leg Port HG9605
Doug's Headers Premium Header Gasket AMC Pair 304-401 Dog Leg Port HG9605
Model: 5124600
Condition: NEW
$87.99 pr