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  • Sanderson C12 Small Block Chevy Header Set for Chevelle and El Camino
Sanderson Headers

Sanderson C12 Small Block Chevy Header Set for Chevelle and El Camino


 Product Description

The C12 header is full length, 1¾" primary tube header for performance engines in 1964-Up Chevrolet Chevelle, Malibu, and El Camino applications. The full length design offers easier exhaust connection than shorter, blockhugger designs.

  1. Will fit straight plug and angle plug cylinder heads.
  2. Please specify the cylinder heads you are using when ordering.
  3. Will not fit applications with factory air conditioning
  4. On 1968-up applications, installation requires minor trimming of the lower A-arm housing for clearance.

Comes with all hardware necessary for installation.


Engine : Small Block Chevy 265-400
Primary Tube Diameter : 1¾"
Collector Diameter : 3"
Weight : 24 LBS / 10.89 KGS


  • 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


  • Header Bolt Set
  • Collector Reducer Set


  • Our Aluminized Ceramic Coating is available and RECOMMENDED on all Sanderson Headers. We apply a multi-layer inside and outside silver ceramic coating in-house to meet our high standards of quality, and polish the coated header to a high luster. This coating provides aerospace and military technology to your vehicle to control the heat in your engine bay, improve cylinder scavenging of exhaust gases, and increase the longevity of your header investment. (read more here)
  • Copper Collector Gaskets are recommended for all Sanderson headers 
  • Sanderson Headers do not include collector bolts due to our customers' wide range of preference. 


  1. The Patented Leak-Free Design that Sanderson Headers offer you is the only leak-free flange design on the market ... Do Not Attempt To Use Flange Gaskets! The raised flange on the Sanderson Headers will buckle the gasket during tightening and actually cause a leak!
  2. Sanderson Headers are NOT emissions legal on pollution-controlled motor vehicles. It is the purchaser's responsibility to verify local regulations for compliance.
  3. Wrapping your Sanderson Headers with ANY thermal tape voids your header warranty. The best thermal protection for your headers is our Aluminized Ceramic Coating that is available for every Sanderson Header.


Limited 5-Year Warranty (read more here)


When sitting in driver's seat and engine in front of you, the LEFT header would be the Driver's Side on LH drive vehicles; coincidently, means the RIGHT header is on the passenger side. See the detail image above left that describes engine sides.


Tube Size ............ 1¾"  
Collector Size ....... 3"  
DIM A ................. 6" 5"
DIM B ................. 15¼" 15"
DIM C ................ 29" 28"
Weight (Lbs / Kg) .  24/10.89   
Sanderson Shorty Header Dimension Graphic

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