Chevy Big Block V8 Mark IV 402 L34 Muscle & Classic Car Headers

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Chevy Big Block V8 Mark IV 402 L34

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Engine Family

Chevy Big Block V8

Engine Version

Mark IV

Displacement

402

Engine Code

L34

Department

Street

Application

Muscle Car

Products

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Black

Speedway Motors |

#930C4

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Black

(68)

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$353.99

/pair

-11%

Hooker 2455-1HKR Competition Long Tube Header, Ceramic Coated

Hooker Headers |

#42524551HKR

Hooker 2455-1HKR Competition Long Tube Header, Ceramic Coated

(7)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$614.95

/set

$691.95

Patriot Exhaust |

#447H8035

Patriot Exhaust H8035 Tri-5 Header, 55-57 BBC, Raw, 2 Inch

(6)

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$422.45

/set

1965-1989 Small Block Chevy Long Tube Headers, AHC Coated

Speedway Motors |

#9300110H

1965-1989 Small Block Chevy Long Tube Headers, AHC Coated

(17)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$541.99

/set

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Chrome

Speedway Motors |

#930C4C

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Chrome

(5)

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$558.99

/pair

Chevy 454 Big Block Budget Build: Recipes for 400-600 HP

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

454 Big Block Chevy Radiator Install

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

Radiator Hose Replacement - Big Block Chevy

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

Chevy Small Block Casting Numbers

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Small Block Chevy Head Identification Guide | Casting Numbers Explained

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Building Custom 241 Red Ram Driveshaft Headers

In this detailed article, Tim will guide you on how to build a custom set of 241 Red Ram Hemi driveshaft headers. From the concept to the materials needed, he'll show you how the mockup and final assembly steps.

How To Replicate LS Engine Dimensions with a Steel LS Mock Up Block

The new Steel LS Mock Up Block from Speedway Motors makes it easy to fab mounts and check clearances while LS swapping your car.

Historic Chevy Performance Engines

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

1964-1974 Big Block Chevy Long Tube Headers, Chrome

Speedway Motors |

#9300112C

1964-1974 Big Block Chevy Long Tube Headers, Chrome

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$473.99

/pair

1964-1974 Big Block Chevy Long Tube Headers, Raw Finish

Speedway Motors |

#9300112

1964-1974 Big Block Chevy Long Tube Headers, Raw Finish

(7)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$298.99

/set

1965-1974 Big Block Chevy Long Tube Headers, Stainless Steel

Speedway Motors |

#9300112S

Header Tube Type:

Long Tube

Exhaust Port Shape:

Rectangle

Flange Style:

Standard

$999.95

/each

$1,124.95

Patriot Exhaust |

#447H8026

Header Tube Type:

Long Tube

Flange Style:

Round Port

Primary Tube Diameter:

$859.76

/set

$1,487.95

-9%

Patriot Exhaust |

#447H80131

Patriot Exhaust H8013-1 Clippster Header, 67-81 Camaro BBC, CC

(2)

Header Tube Type:

Mid-Length

Exhaust Port Shape:

Round

Flange Style:

Standard

$691.79

/set

$760.97

Hedman Hedders |

#41866105

Hedman Hedders 66105 70-81 Camaro Headers, HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$757.99

/set

-9%

Patriot Exhaust |

#447H80351

Patriot Exhaust H8035-1 Tri-5 Header, 55-57 BBC, CC, 2 Inch

Header Tube Type:

Fenderwell

Exhaust Port Shape:

Round

Flange Style:

Standard

$847.20

/set

$931.92

$488 Off

Hooker 2285HKR Super Competition Long Tube Headers, Painted

Hooker Headers |

#4252285HKR

Hooker 2285HKR Super Competition Long Tube Headers, Painted

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

2-1/8"

$666.20

/set

$1,153.95

Hedman Hedders |

#41866002

Hedman Hedders 66002 68-77 Chevelle Headers, HTC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$677.99

/set

-11%

Hooker 2457HKR Competition Long Tube Header, Painted

Hooker Headers |

#4252457HKR

Hooker 2457HKR Competition Long Tube Header, Painted

(3)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Square

Flange Style:

Standard

$357.95

/set

$402.95

Patriot Exhaust |

#447H8062

Patriot Exhaust H8062 Headers, 67-69 Camaro BB, Raw, 2 Inch

(1)

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

$362.95

/set

-9%

Patriot Exhaust |

#447H8023

Patriot Exhaust H8023 Tri-5 Header, 55-57 BBC, Raw

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

1-7/8"

$436.72

/set

$480.39

$129 Off

Hooker 2217HKR Super Competition Long Tube Headers, Painted

Hooker Headers |

#4252217HKR

Hooker 2217HKR Super Competition Long Tube Headers, Painted

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

$1,024.95

/set

$1,153.95

$125 Off

Dougs Headers |

#447D354

Doug's Headers D354 Full Length Header, 2 In, 55-57 BBC, CC

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

$1,253.49

/set

$1,378.84

Hedman Hedders |

#41866104

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

2-1/8"

$1,236.46

/set

$1,360.11

-11%

Flowtech 31132FLT Long Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531132FLT

Flowtech 31132FLT Long Tube Header, Ceramic Coated

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$614.95

/each

$691.95

-9%

Dougs Headers |

#447D313

Doug's Headers D313 Full Length Header, 1-3/4 In, 67-74 Camaro, CC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Oval

Flange Style:

Standard

$976.78

/set

$1,074.46

-9%

Dougs Headers |

#447D318B

Doug's Headers D318-B Full Length Header, 2 In, 78-87 Chevelle, Blk

Header Tube Type:

Long Tube

Flange Style:

Standard

Primary Tube Diameter:

$912.51

/set

$1,003.76

Showing 1 - 36 of 110 results

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Chevy Big Block V8 Mark IV 402 L34 Muscle & Classic Car Headers

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Products

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Black

Hooker 2455-1HKR Competition Long Tube Header, Ceramic Coated

Patriot Exhaust H8035 Tri-5 Header, 55-57 BBC, Raw, 2 Inch

1965-1989 Small Block Chevy Long Tube Headers, AHC Coated

Big Block Chevy Fenderwell Headers for 1955-57 Chevy, Chrome

Related Articles

1964-1974 Big Block Chevy Long Tube Headers, Chrome

1964-1974 Big Block Chevy Long Tube Headers, Raw Finish

1965-1974 Big Block Chevy Long Tube Headers, Stainless Steel

1964-1974 Big Block Chevy Long Tube Headers, AHC Coated

Hooker 2455HKR Competition Long Tube Header, Painted

Speedway SB Chevy Street Stock Headers, 1-5/8 In, AHC Coated

Hooker 2455-2HKR Competition Long Tube Header, Stainless

Patriot Exhaust H8026 Headers, 68-74 Chevelle BB, Raw, 2 Inch

Flowtech 31130FLT Long Tube Header, Ceramic Coated

1955-57 Big Block Chevy 396-502 Chassis Headers, Raw Finish

Hooker 2457-1HKR Competition Long Tube Header, Ceramic Coated

Hooker BH13183 Blackheart Long Tube Headers, 304 Stainless Steel

Hooker 2285-1HKR Super Competition Long Tube Header, Ceramic Coated

Hooker 2265-1HKR Super Competition Long Tube Header, Ceramic Coated

Patriot Exhaust H8013-1 Clippster Header, 67-81 Camaro BBC, CC

Hedman Hedders 66105 70-81 Camaro Headers, HTC

Patriot Exhaust H8035-1 Tri-5 Header, 55-57 BBC, CC, 2 Inch

Hooker 2285HKR Super Competition Long Tube Headers, Painted

Hedman Hedders 66002 68-77 Chevelle Headers, HTC

Hooker 2457HKR Competition Long Tube Header, Painted

Patriot Exhaust H8062 Headers, 67-69 Camaro BB, Raw, 2 Inch

Patriot Exhaust H8023 Tri-5 Header, 55-57 BBC, Raw

Hooker 2217HKR Super Competition Long Tube Headers, Painted

Doug's Headers D354 Full Length Header, 2 In, 55-57 BBC, CC

Hedman Hedders 66104 70-81 Camaro Headers, HTC

Hedman Hedders 68096 65-82 Corvette Headers, HTC

Patriot Exhaust H8026-Header, 68-74 Chevelle BBC, CC, 2 Inch

Doug's Headers D331 Full Length Header, 2-1/8 In, 68-72 Chevelle, CC

Flowtech 31132FLT Long Tube Header, Ceramic Coated

Doug's Headers D313 Full Length Header, 1-3/4 In, 67-74 Camaro, CC

Doug's Headers D318-B Full Length Header, 2 In, 78-87 Chevelle, Blk

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