1977 GMC K25 Headers

139 products fit your

1977 GMC K25

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139

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Zoomie

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1977 GMC K25

Products

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Speedway Motors |

#916C4003

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

(5)

Header Tube Type:

Full-Length

Primary Tube Diameter:

1-3/4"

Material Type:

Steel

$387.99

/kit

Hedman Hedders |

#41869310

Hedman Hedders 69310 1-1/2 Inch Tube 2-1/2 Inch Coll. Full Length

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$370.99

/set

Hedman Hedders |

#41869316

Hedman Hedders 69316 63-79 GM Truck Headers, HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$619.99

/set

$113 Off

Hooker 2817-1HKR Super Competition Long Tube Headers, Coated

Hooker Headers |

#42528171HKR

Hooker 2817-1HKR Super Competition Long Tube Headers, Coated

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

1-7/8"

$1,349.95

/set

$1,462.95

-9%

Patriot Exhaust |

#9308080

Patriot Exhaust E-Rod LS Tube Headers, Steel

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

as low as

$496.75

/pair

$546.43

Hooker Header Installation Guide

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

Exhaust System Header Wrapping

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Speedway Roadster Headers for a 305 Trike

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

GM Body Styles

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Centering a 525 Steering Gear

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

-9%

Patriot Exhaust |

#93080671

Patriot Exhaust H8067-1 4.3 V6 Tight-Fit Shorty Headers, Ceramic

Header Tube Type:

Block Hugger

Flange Style:

Standard

Primary Tube Diameter:

1-1/2"

$801.61

/pair

$881.77

Speedway LS1 Header Kit, 1-7/8 Inch Tube

Speedway Motors |

#41869511

Speedway LS1 Header Kit, 1-7/8 Inch Tube

(3)

Header Tube Type:

Roadster

Exhaust Port Shape:

Round

Flange Style:

Standard

$297.99

/each

$559 Off

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Flowtech Exhaust |

#425117022FLT

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Header Tube Type:

Lake Style

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$535.61

/each

$1,094.95

Speedway Ford Flathead V8 Center Dump Headers, AHC

Speedway Motors |

#91013601H

Speedway Ford Flathead V8 Center Dump Headers, AHC

(9)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$389.99

/pair

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

Speedway Motors |

#9301213

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

(9)

Header Tube Type:

Shorty

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$198.99

/set

Boom Tube Small Block Chevy Zoomie Headers for Sprint, Raw Finish

Speedway Motors |

#9301700

Boom Tube Small Block Chevy Zoomie Headers for Sprint, Raw Finish

(32)

Header Tube Type:

Zoomie

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$171.99

/pair

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

Speedway Motors |

#9300104S

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$311.99

/pair

Tight-Fit Small Block Ford Block Hugger Headers, Chrome

Speedway Motors |

#9300201C

Tight-Fit Small Block Ford Block Hugger Headers, Chrome

(3)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$281.99

/pair

-9%

Patriot Exhaust |

#9308065

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

(6)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

as low as

$527.07

/pair

$579.78

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Flowtech Exhaust |

#42511000FLT

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$194.95

/each

Flowtech 12167FLT Small Block Ford Turbo Headers, Natural 304

Flowtech Exhaust |

#42512167FLT

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$227.99

/pair

-5%

Hooker Headers |

#42518510

Hooker Headers Blackheart LS Turbo Manifold Kits

Header Tube Type:

Turbo

Material Type:

Stainless Steel

Hardware Included:

Yes

$849.95

/pair

$899.95

-7%

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

Hooker Headers |

#4252001HKR

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

(1)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$675.95

/set

$731.95

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Hooker Headers |

#9302300H

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Header Tube Type:

Block Hugger

Exhaust Port Shape:

D-port

Flange Style:

Standard

$727.95

/pair

Rebate

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Flowtech Exhaust |

#42512152FLT

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Header Tube Type:

Turbo

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$373.95

/pair

$415.95

Rebate

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Flowtech Exhaust |

#42512165FLT

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Header Tube Type:

Turbo

Exhaust Port Shape:

Square

Flange Style:

Standard

$449.95

/pair

Rebate

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

Flowtech Exhaust |

#42511575FLT

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

(5)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$279.95

/each

$311.95

Small Block Chevy Fat Fender Chrome Headers

Speedway Motors |

#9300150C

Small Block Chevy Fat Fender Chrome Headers

(1)

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$564.99

/pair

Speedway Motors |

#91013601C

Flathead Center Dump Headers, Chrome

(1)

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$415.99

/set

Small Block Chevy Double-Y Stacked Lake Headers

Speedway Motors |

#91603263

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$482.99

/pair

Showing 1 - 36 of 139 results

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1977 GMC K25 Headers

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Products

C4 Corvette LS Swap Long Tube Headers for LS1, 5.3, 6.0, LS3

Hedman Hedders 69310 1-1/2 Inch Tube 2-1/2 Inch Coll. Full Length

Hedman Hedders 69316 63-79 GM Truck Headers, HTC

Hooker 2817-1HKR Super Competition Long Tube Headers, Coated

Patriot Exhaust E-Rod LS Tube Headers, Steel

Related Articles

Patriot Exhaust H8067-1 4.3 V6 Tight-Fit Shorty Headers, Ceramic

Speedway LS1 Header Kit, 1-7/8 Inch Tube

Flowtech 11702-2FLT SB Chevy Lakester Header, 1-5/8 Inch Primaries

Speedway Ford Flathead V8 Center Dump Headers, AHC

216, 235, 261 Chevy 6 Cylinder Headers, Raw Finish

Boom Tube Small Block Chevy Zoomie Headers for Sprint, Raw Finish

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Stainless Steel

Tight-Fit Small Block Ford Block Hugger Headers, Chrome

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Flowtech 12167FLT Small Block Ford Turbo Headers, Natural 304

ZZ-4 Tight-Fit Small Block Chevy Block Hugger Headers, Raw Finish

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, AHC Coated

Speedway Small Block Chevy Block Hugger Headers, AHC Coated

Flowtech 12164FLT Small Block Ford Turbo Headers, Natural 304

Small Block Chevy U-Weld-It Tight Fit Header Kit

Small Block Chevy Hugger Tight-Fit Headers for Angle Plug Heads, Raw

Big Block Chevy, Block Hugger, Tight-Fit Headers, AHC Coated

Tight-Fit Small Block Chevy Block Hugger Headers, Chrome

Hooker Headers Blackheart LS Turbo Manifold Kits

Hooker 2001HKR Block Hugger Header, SB Chevy, 1.625 Inch Tube Size

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Flowtech 12152FLT Coyote Turbo Headers, Natural 304 Stainless

Flowtech 12165FLT Small Block Ford Turbo Headers, Polished 304

Flowtech 11575FLT Shorty Headers, GM LS Universal, Natural

Small Block Chevy Fat Fender Chrome Headers

Flathead Center Dump Headers, Chrome

Small Block Chevy Double-Y Stacked Lake Headers

Small Block Chevy 1935-48 Fat Fenderwell Headers, AHC Coated

LS1 Block Hugger Tight-Fit Headers, Raw Finish

LS1 Tight-Fit, Block Hugger Headers, AHC Coated

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