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Doug's Headers 1963-67 Chevy II Small Block without A/C & Power Steering 1 3/4" Fenderwell Header D329

Doug's Headers 1963-67 Chevy II Small Block without A/C & Power Steering 1 3/4" Fenderwell Header D329
Doug's Headers 1963-67 Chevy II Small Block without A/C & Power Steering 1 3/4" Fenderwell Header D329Doug's Headers 1963-67 Chevy II Small Block without A/C & Power Steering 1 3/4" Fenderwell Header D329
from $1,744.65 st

Available Options

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Model: 5124720
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Features:
  • 3/8" thick 304 stainless machine flanges to prevent warping
  • CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
  • Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower
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
D329.pdf342.05KB

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
Chevrolet Chevy II 1963 4.6L / 283 / V8 Fits most angle plug heads.
Will not fit with heater.
Will not fit convertible models.
Fenderwell
without Power Brakes
without Air Conditioning
without Power Steering
Chevrolet Chevy II 1964 4.6L / 283 / V8 Fits most angle plug heads.
Will not fit with heater.
Will not fit convertible models.
Fenderwell
without Power Brakes
without Air Conditioning
without Power Steering
Chevrolet Chevy II 1965 5.4L / 327 / V8
5.3L / 327 / V8
4.6L / 283 / V8		 Fits most angle plug heads.
Will not fit with heater.
Will not fit convertible models.
Fenderwell
without Power Brakes
without Air Conditioning
without Power Steering
Chevrolet Chevy II 1966 5.4L / 327 / V8
5.3L / 327 / V8
4.6L / 283 / V8		 Fits most angle plug heads.
Will not fit with heater.
Will not fit convertible models.
Fenderwell
without Power Brakes
without Air Conditioning
without Power Steering
Chevrolet Chevy II 1967 5.3L / 327 / V8
4.6L / 283 / V8		 Fits most angle plug heads.
Will not fit with heater.
Will not fit convertible models.
Fenderwell
without Power Brakes
without Air Conditioning
without Power Steering

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Cylinder Head Port Shape SAP
Design Fenderwell
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Fenderwell
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape Round
Primary Tube Outside Diameter 1.75 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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