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Chevy K5 Blazer Headers

We have 4 Items In-stock.
$233.34 List Price $441.42 Save $208.08 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: 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 5.7L | Silverado
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$377.55 List Price $572.70 Save $195.15 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; 1.625 in. tube diameter, 3 in. collector; Includes gaskets, hardware, collector reducers, and installation instructions; Full-length style; Oval port shape; Features ceramic coated tubing that is corrosion and rust resistant; 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; Fits D-port cylinder heads including ZZ4 crate engines; Will fit most angle plug heads; Non-catalytic converter equipped; Reducers available with oxygen sensor fitting; Installation requires left side A/C bracket part number H7608; 1979 and later vehicles with short compressors can use the stock bracket.
  • SKU#: P1RH80481
  • Brand: Patriot
  • Fit Note: With A/C, P/Brakes, P/Steering, Automatic Column Or Floor Shift, Fits Non Catalytic Converter Vehicles, Use Collector Reducers Part Number 7232 For Oxygen Sensor Equipped 1980 And Newer Vehicles, May Require AC Bracket Part Number 7608
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
 
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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$146.95 List Price $173.40 Save $26.45 Availability: In Stock
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FLOWTECH I STANDARD FULL-LENGTH HEADERS, SATIN BLACK HI-TEMPERATURE PAINTED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.5 in. tube diameter, 16-gauge tube wall thickness, 3 in. weld-on collector, standard head flange; All mounting hardware such as bolts, nuts, and premium gasket are included; Full-length style; 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 0.060 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 converters; Applications with oxygen sensor use reducer part number 10105 for 2.5 in. 3-bolt flange or part number 10110 for 3 in. 3-bolt flange; It is necessary to remove the rubber stopper below the starter on 83-84 4WD; Pre-70 vehicles with exhaust manifold mounted alternator/generator use bracket part number 10031FLT; May require clutch linkage modifications; Fits C30 crew cab type chassis only; Will not fit angle plug heads; Also available with A.I.R. injection manifold welded in place.
  • SKU#: F3111500
  • Brand: Flowtech
  • Fit Note: 4WD, Automatic Transmission, Without A.I.R. Tubes, With Oxy. Sensor, Use Reducer PN[10105FLT] For 2.5 in Flange, Required A/C Bracket PN[10042FLT], With Oxy. Sensor, Use Reducer PN[10110FLT] For 3 in. Flange, 4WD, Standard Transmission, Without A.I.R. Tubes, With Oxy. Sensor, Use Reducer PN[10105FLT] For 2.5 in Flange, Required A/C Bracket PN[10042FLT], With Oxy. Sensor, Use Reducer PN[10110FLT] For 3 in. Flange, RWD, Automatic Transmission, Without A.I.R. Tubes, With Oxy. Sensor, Use Reducer PN[10105FLT] For 2.5 in Flange, Required A/C Bracket PN[10042FLT], With Oxy. Sensor, Use Reducer PN[10110FLT] For 3 in. Flange, RWD, Standard Transmission, Without A.I.R. Tubes, With Oxy. Sensor, Use Reducer PN[10105FLT] For 2.5 in Flange, Required A/C Bracket PN[10042FLT], With Oxy. Sensor, Use Reducer PN[10110FLT] For 3 in. Flange
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Minor Modifications
  • 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 5.0L | Silverado
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Rating: (see review/s)

"I ordered my headers one day and recieved them about 2 days later. They were easy to install and the fit was an exact match to my truck. The only problem I had was the cheap made gaskets for my headers. After install I had an exhaust leak that I couldn't get rid of." posted by: on November 16, 2008

$232.74 List Price $274.63 Save $41.89 Availability: In Stock
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HOOKER COMPETITION HEADER, BLACK HIGH TEMPERATURE PAINT -- Tube Size 1.625 x 27 O.D, Collector Size 2.5 O.D, Collector Length 8, Port Shape Same As Port, Will Not Fit Angle Plug Heads, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Light Weight And Sturdy 16 Gauge Tubing, Long Transition Collector For Decreased Back Pressure, 5/16” Machined Flanges For A Perfect Seal, All Necessary Hardware Included For A Complete Installation
  • SKU#: H262452
  • Brand: Hooker
  • Fit Note: RWD, 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:
  • 1984 | 8 Cyl 5.7L | Scottsdale
  • 1981-1984 | 8 Cyl 5.7L | Custom
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Rating: (see review/s)

"Just as advertised. good price good shipping same item arrived that I ordered I am very happy with the service and product." posted by: rickygster on December 21, 2007

Select more Chevy K5 Blazer parts under Headers, Manifolds & Components from list below.