NOTE: The O351 header is not compatible with Oldsmobile Rocket engine applications.

Includes all hardware necessary for installation.

SPECIFICATIONS:

Engine: Oldsmobile 350 V8
Primary Tube Diameter: 1-5/8″
Collector Diameter: 2-1/2″

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:

• Header Bolt Set
• Collector Reducer Set

FINISH:

Our Ceramic Coating is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, We apply a multi-layer inside and outside aluminized ceramic coating in-house and then polish 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.

NOTES:

• Oldsmobile cylinder heads have different-sized exhaust ports. However, the mounting bolt pattern is the same for both the Sanderson #O350 and #O455 header sets.
• Part #O350 uses a 1-5/8″ primary tube diameter, and the #O455 uses 1-7/8″ primary tubes.
• It is OK to have the exhaust flange slightly smaller than the exhaust port on the cylinder head. Don’t be greedy! All but heavily modified Olds 455 engines typically perform best with the smaller #O350 header.
• Please use the attached dimension graphic to determine whether the #O350 or #O455 header set is best for your application.
• Neither header set is compatible with Oldsmobile Rocket applications

Includes all hardware necessary for installation.

SPECIFICATIONS:

Engine: Oldsmobile 260-455 V8
Primary Tube Diameter: 1-7/8″
Collector Diameter: 3.0″

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:

• Header Bolt Set
• Collector Reducer Set

FINISH:

Our Ceramic Coating is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, We apply a multi-layer inside and outside aluminized ceramic coating in-house and then polish 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.

NOTES:

• Oldsmobile cylinder heads have different-sized exhaust ports. However, the mounting bolt pattern is the same for both the Sanderson #O350 and #O455 header sets.
• Part #O350 uses a 1-5/8″ primary tube diameter, and the #O455 uses 1-7/8″ primary tubes.
• It is OK to have the exhaust flange slightly smaller than the exhaust port on the cylinder head. Don’t be greedy!
• All but heavily modified Olds 455 engines typically perform best with the smaller #O350 header.
• Please use the attached dimension graphic to determine whether the #O350 or #O455 header set is best for your application.
• Neither header set is compatible with Oldsmobile Rocket applications

Includes all hardware necessary for installation.

SPECIFICATIONS:

Engine: Oldsmobile 260-455 V8
Primary Tube Diameter: 1-5/8″
Collector Diameter: 3.0″

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:

• Header Bolt Set
• Collector Reducer Set

FINISH:

Our Ceramic Coating is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, We apply a multi-layer inside and outside aluminized ceramic coating in-house and then polish 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.