The Sanderson 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″ diameter, while the center (or inner) tube is 1-7/8″ diameter, and then the exhaust gases exit through a 2½” diameter collector.
NOTE:
Does not include header bolts. ARP Part # 4AP1.00-5C is recommended and sold separately.
SPECIFICATIONS:
Engine: Cadillac 390/429 V8
Primary Tube Diameter: 1-5/8″ outer, 1-7/8″ inner
Collector Diameter: 2½”
FEATURES:
- 16-Gauge Primary and Collector Tube Thickness
- 3/8″ Thick Flange
- Patented Flange Design Requires NO Gaskets
- Tightest Fitting Header Available Anywhere!
- Made in the USA
INCLUDES:
- Collector Reducer Set
OPTIONS:
Sanderson’s Ceramic Coating is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, Sanderson applies a multi-layer inside and outside aluminized ceramic coating in-house and then polishes the coating to a high luster. This aerospace and military-grade technology adds excellent protection to your headers while offering the benefit of thermal control in your engine bay. It also improves cylinder scavenging of exhaust gases and increases the longevity of your header investment.
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