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Voov Motors
Doug’s Headers D103-B Full Length Header 1-3/4″, 68-79 Javelin

Parts & Accessories

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Parts & Accessories

Doug’s Headers D103-B Full Length Header 1-3/4″, 68-79 Javelin

SKU 440ea9004709

Headers

$573.92

Freight and taxes calculated at checkout

In stock · ready to ship

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Warranty

No warranty

Commercial use may carry a shorter period than pleasure use.

Warranty terms
Freight

Freight — standard — from $149. Ships in 1–3 business days, 3–10 business days in transit.

Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.

Shipping rates
Returns

30-day return window · 25% restocking fee plus freight both ways.

Engines or transmissions that have been disassembled or parted out cannot be returned.

Full policy
Payment

Secure card payment via Stripe. A deposit holds an item for 15 days.

Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.

Payment terms

Catalogue data

Specification

3 fields

Part number
440ea9004709
Department
Parts & Accessories
Category
Headers

In the seller's words

Description

Every Doug’s header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug’s headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

3/8″ Thick machined flanges…no warping
CNC mandrel bent tubes… accurate fit & better flow
Precision formed long transition collectors and long tube design… reduces backpressure and increases higher RPM horsepower
Heavy 16 gauge tubing…longer life
Tubes are pre-polished to remove scratches and the header isfinished with a Hi-Temp Black Coating
Doug’s Headers D103-B 1 3/4″ 4-Tube Full Length Header AMC Javelin V8 68-79 Hi-Temp Black Coating
Black
Collector: 3
Port Shape: SAP
Primary Tube: 1 3/4
Dog leg exhaust port
emissions code: legal only for off-highway use (except in California or states that have adopted California emission standards)
with: No A/C
Doug’s Headers D103-B 1 3/4″ 4-Tube Full Length Header AMC Javelin V8 68-79 Hi-Temp Black Coating
Black
Collector: 3
Port Shape: SAP
Primary Tube: 1 3/4
Dog leg exhaust port
emissions code: legal only for off-highway use (except in California or states that have adopted California emission standards)
with: No A/C
Application

1969 American Motors AMX 4.7L/290 V8
1969 American Motors AMX 5.6L/343 V8
1970 American Motors AMX 5.9L/360 V8
1970-1979 American Motors AMX 5L/304 V8
1969-1970 American Motors AMX 6.4L/390 V8
1969 American Motors Javelin 4.7L/290 V8
1969 American Motors Javelin 5.6L/343 V8
1970-1974 American Motors Javelin 5.9L/360 V8
1970-1974 American Motors Javelin 5L/304 V8
1969-1970 American Motors Javelin 6.4L/390 V8
1971-1974 American Motors Javelin 6.6L/401 V8

Headers

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