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Chevy K5 Blazer Headers

We have 4 Items In-stock.
$209.52 List Price $441.42 Save $231.90 Availability: In Stock
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HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your operating temps and release extra horsepower and torque from your engine. These hedders are designed for painting, so order a can of header paint in the color that best suits your vehicle. Hedman Hedders have always been made in the USA since the company was founded over 50 years ago. Bob Hedman started out making hedders as a one man shop but word spread fast about the horsepower and torque that Hedman hedders were producing. His hedders have been in demand by top engine builders and racers since the start. Hedman’s time perfecting hedders on the track and on the dyno ensures you will get optimum performance with every Hedman Header whether it is installed on your race car or daily driver.

  • Perfect for hot rod builds on a tight budget
  • Proudly manufactured in U.S.A.
  • Tubing size is 16 to 18 gauge depending on model
  • Size of flanges are 5/16 inch
  • These hedders are designed to be painted, so pick up a can of header paint in a color of your choice

NOTE: Not legal for use or sale in California on vehicles that came equipped with emission controls from the factory.

  • SKU#: H5669090
  • Brand: Hedman
  • Fit Note: 4WD, Will Fit With Angle Plug Heads/Chevy Aluminum Only, RWD, Will Fit With Angle Plug Heads/Chevy Aluminum Only
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
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Fits the following Chevrolet K5 Blazer Years:
  • 1981-1986 | 8 Cyl 5.7L | Custom
  • 1980-1986 | 8 Cyl 5.7L | Silverado
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$439.95 List Price $655.45 Save $215.50 Availability: In Stock
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PATRIOT SPECIFIC FIT HEADERS, METALLIC CERAMIC-COATED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.75 in. tube diameter, 3 in. collector; Includes gaskets, hardware, collector reducers, and installation instructions; Full-length style; SAP port shape; Lowers under hood temperatures for more power and extended product life; Easy to maintain; It has thick machined flanges for great seal; Its high flow mandrel-bent mild steel tubing provides greater horsepower and torque; Big block frame stands and motor mounts must be used to insure proper engine location and header fit; Non-catalytic converter equipped; Reducers available with oxygen sensor fitting.
  • SKU#: P1RH80541
  • Brand: Patriot
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following Chevrolet K5 Blazer Years:
  • 1982-1986 | 8 Cyl 6.2L | Custom, Silverado
  • 1981-1986 | 8 Cyl 5.7L | Custom
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$193.96 List Price $228.87 Save $34.91 Availability: In Stock
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FLOWTECH I STANDARD FULL-LENGTH HEADERS, STEEL, BLACK, SET OF 2 -- For off road use - Not legal for use on public roads and highways; 1.5 in. tube diameter, 16-gauge tube wall thickness, 2.5 in. weld-on collector, standard head flange; All mounting hardware such as bolts, nuts, and premium gasket are included; 4-1 design; Round head port; These headers are precision-engineered and leak-tested to provide the maximum performance and fuel efficiency of your engine; Formed from specially selected 0.049 cold roll flash controlled tubing with high quality electrostatically-applied satin black paint finish; They feature Flowtech's exclusive, thick, and mandrel-formed power plenum collector; All ports are precisely fitted and finished with sturdy and leaf-proof o-ringed port seals; Must modify stock exhaust to retain catalytic converter; Application with oxygen sensor use reducer part number 10105; Heap pipe lubrication required; Will not fit angle plug heads; Requires Flowtech front frame mount for installation.
  • SKU#: F3111502
  • Brand: Flowtech
  • Fit Note: RWD, Without A.I.R. Tubes, For Engine 283-400 Swap
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Minor Modifications
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
 
Fits the following Chevrolet K5 Blazer Years:
  • 1982 | 6 Cyl 4.1L | Custom, Silverado
$206.64 List Price $243.84 Save $37.20 Availability: In Stock
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HOOKER COMPETITION FULL-LENGTH HEADERS, BLACK HI-TEMPERATURE PAINT -- 1.625 in. tube diameter, 16-gauge tube wall thickness, 2.5 in. flange collector, 8 in. collector length, 0.3125 in. standard head flange; They include all the necessary hardware for complete installation; Sap shape port; Full-length style; They feature tuned-length primary tubes for maximum exhaust scavenging and velocity, light but sturdy 16-gauge mild steel mandrel-bent tubing for smooth exhaust flow, long transition collector for decreased back pressure, and machined flanges for a perfect seal; Designed for optimal performance and industry's best welds for durability; Available with fittings to accommodate air injection manifold; Reducers available with oxygen sensor on 1980 and later models; Will not fit angle plug heads; With Hooker's limited warranty.
  • SKU#: H262453
  • Brand: Hooker
  • Fit Note: 4WD, Reducers Available With Oxygen Sensor PN[11045HKR/11046HKR], Legal Only For Off-Highway/Racing Use, Reducers Available With Oxygen Sensor PN[11045HKR/11046HKR], Legal Only For Off-Highway/Racing Use
  • Color/Finish: Black
  • Emissions: For off road/track use
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following Chevrolet K5 Blazer Years:
  • 1981-1986 | 8 Cyl 5.7L | Custom
  • 1980-1986 | 8 Cyl 5.0L | Silverado
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Select more Chevy K5 Blazer parts under Headers, Manifolds & Components from list below.