CAD390-P Shorty Header Set, 1965-1970 Cadillac Coupe DeVille 390-429ci [Raw/Unfinished]

Name: CAD390-P Shorty Header Set, 1965-1970 Cadillac Coupe DeVille 390-429ci [Raw/Unfinished]
Brand: SANDERSON HEADERS
SKU: 221-CAD390-P
Price: 548.78 USD
Availability: InStock

^$548⁷⁸

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1965-1970 Cadillac Coupe DeVille 390-429ci

Shorty Header Set

1965-1970 Cadillac Coupe DeVille 390-429ci

Raw/Unfinished

Pair

Sanderson Headers CAD390-P Features:

The CAD390 header set fits 390/429 Cadillac engines in 1965-1970 Coupe DeVille applications. The CAD390 features a 3-tube design where the outer primary tubes are 1-5/8 in. diameter, while the center (or inner) tube is 1-7/8 in. diameter, and then the exhaust gases exit through a 2½ in. diameter collector.

NOTE: Does not include header bolts. Please source appropriate fasteners elsewhere.

SPECIFICATIONS:

Engine: Cadillac 390/429 V8
Primary Tube Diameter: 1-5/8 in. outer, 1-7/8 in. inner
Collector Diameter: 2½ in.

FEATURES:

16-Gauge Primary and Collector Tube Thickness
3/8 in. Thick Flange
Patented Flange Design Requires NO Gaskets
Tightest Fitting Header Available Anywhere!
Made in the USA

INCLUDES:

Collector Reducer Set

Installation Notes:

The Patented Leak-Free Design on Sanderson Headers provides the only leak-free flange design on the market … Do Not Attempt To Use Flange Gaskets! The raised flange on tube-style Sanderson Headers will buckle the gasket during tightening and cause a leak! Sanderson Headers are NOT emissions legal on pollution-controlled motor vehicles. It is the purchaser’s responsibility to verify local regulations for compliance. Wrapping Sanderson Headers with ANY thermal tape voids the header warranty.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Sanderson Headers Shorty Headers For Compact Fit, Improved Exhaust Flow, And Street Performance Upgrades

Upgrade your exhaust system with Sanderson Headers Shorty Headers, designed for tight engine bays, easy installation, and reliable performance gains in street rods, muscle cars, and custom builds. Featuring a compact design, these headers provide improved exhaust flow and better throttle response without the fitment challenges of full-length headers. Built from high-quality steel with thick flanges and Sanderson’s leak-resistant sealing design, they deliver durability, precise fit, and long-lasting performance.Perfect for applications where space is limited, Sanderson Shorty Headers are available for a variety of engine platforms and offer optional ceramic coatings for enhanced heat control and corrosion resistance.

Part TypeHeader

Product LineSanderson Headers Shorty Headers

BrandSANDERSON HEADERS

Package Height6.7

Package Width21.1

Package Length24.1

Weight23.8 PG

Part CategoryPerformance Parts

Collector Reducers IncludedNo

Header FinishNatural

QuantitySold as a Pair

Flange Thickness0.38 in.