GMC Sprint – Sanderson Headers https://sandersonheaders.com Sanderson Headers. The source for top quality exhaust headers for street rods, muscle cars, and customs. Proudly Made in the USA Wed, 01 Oct 2025 19:18:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://sandersonheaders.com/wp-content/uploads/2023/05/cropped-favicon2-32x32.jpg GMC Sprint – Sanderson Headers https://sandersonheaders.com 32 32 C12 Header Set, Small Block Chevy, Chevelle and El Camino https://sandersonheaders.com/product/c12-header-set-small-block-chevy-chevelle-el-camino/ https://sandersonheaders.com/product/c12-header-set-small-block-chevy-chevelle-el-camino/#respond Wed, 10 May 2023 00:24:24 +0000 https://sandersonheaders.com/?post_type=product&p=8049 The C12 is a full-length, 1-5/8″ or 1-3/4″ primary tube header for performance engines in 1964-up Chevrolet Chevelle, Malibu, Monte Carlo, and El Camino (GM A-Body) applications. The full-length header design offers an easier exhaust connection than shorter block hugger designs.

  1. Fits straight and angle plug cylinder heads
  2. Please state if you are using Vortec-style cylinder heads (review information tab)
  3. Available with a special D-port flange for D-port cylinder heads (GM ZZ4, ZZ6, 90s LT-1, etc.). Please review the information tab!
  4. Choose either 1-5/8″ or 1-3/4″ primary tube diameter
  5. Please specify whether the vehicle has factory air conditioning. 1968-72 applications with AC require a specific passenger-side header.

Includes all hardware necessary for installation.

SPECIFICATIONS:

Engine: Small Block Chevy 265-400
Primary Tube Diameter: 1-5/8″ or 1-3/4″
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.

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