The Sanderson CAD391 header set fits Cadillac 390 and 429 engines in 1951-65 Cadillac cars. Featuring a 3-tube design, the outer primary tubes are 1-5/8″ diameter, while the center (or inner) tube is 1-7/8″ diameter, and then exits through a 2½” collector.
Driver side header angles forward for steering box clearance.
Please compare the dimensions of this header set with those of the CAD392 (specifically the driver side header) to confirm which is the best choice for the application. The CAD391 is best for original, factory chassis applications, and the CAD392 is best suited for applications using aftermarket chassis and steering.
Does not include header bolts. ARP Part # 4AP1.00-5C is recommended and sold separately.
Engine: Cadillac 390/429 V8
Primary Tube Diameter: 1-5/8″ outer, 1-7/8″ inner
Collector Diameter: 2½”
- 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
- Collector Reducer Set
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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