Chevy Small Block V8 421 Truck Headers

28 products fit your

Chevy Small Block V8 421

28 products

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Engine Family

Chevy Small Block V8

Displacement

421

Department

Truck

Products

Speedway Small Block Chevy Hugger Tight Fit Headers, Raw Finish

Speedway Motors |

#9300100

Speedway Small Block Chevy Hugger Tight Fit Headers, Raw Finish

(116)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$129.99

/pair

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

Speedway Motors |

#9300101

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

(48)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$141.99

/pair

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

Speedway Motors |

#9300107

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

(48)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$248.99

/pair

Tight-Fit Small Block Chevy Block Hugger Headers, Chrome

Speedway Motors |

#9300101C

Tight-Fit Small Block Chevy Block Hugger Headers, Chrome

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$227.99

/pair

Speedway Small Block Chevy Block Hugger Headers, AHC Coated

Speedway Motors |

#9300100H

Speedway Small Block Chevy Block Hugger Headers, AHC Coated

(24)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$194.99

/pair

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.

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

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!

Upgrading the Cooling System for a Small Block Chevy

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

For the Love of the Flathead V8

Heath P. tells his story on how the passion for 'hot rodding' was instilled in him by his grandfather. From driving tractors on their family farm to becoming a Ford family, you are in for a good read.

Speedway Tech Talk - Ford V8-60 Flathead Parts

Tim talks about the rare V8-60 engine and the parts we have to offer for one.

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.

Additional Drop on a Chevy Truck

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

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

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

Speedway Motors |

#9300099

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

(13)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$86.99

/pair

Boom Tubes Small Block Chevy Zoomie Header Kit, 1-3/4 Inch, Raw Finish

Speedway Motors |

#9301699

Boom Tubes Small Block Chevy Zoomie Header Kit, 1-3/4 Inch, Raw Finish

(18)

Header Tube Type:

Zoomie

Exhaust Port Shape:

Oval

Flange Style:

Standard

$124.99

/each

Small Block Chevy 1928-34 Chassis Headers, Stainless Steel

Speedway Motors |

#930C1S

Small Block Chevy 1928-34 Chassis Headers, Stainless Steel

(1)

Header Tube Type:

Chassis

Exhaust Port Shape:

Round

Flange Style:

Standard

$612.99

/pair

Small Block Chevy Hugger Headers for Angle Plug Heads, AHC Coated

Speedway Motors |

#9308037H

Small Block Chevy Hugger Headers for Angle Plug Heads, AHC Coated

(15)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$392.99

/pair

Small Block Chevy Header Kit, 1-5/8 Standard Port, 3 Collector

Speedway Motors |

#930SK158

Small Block Chevy Header Kit, 1-5/8 Standard Port, 3 Collector

(12)

Header Tube Type:

Chassis

Exhaust Port Shape:

Square

Flange Style:

Standard

$194.99

/each

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

Speedway Motors |

#9308037

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

(9)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$261.99

/pair

S/B Chevy Hugger Tight-Fit Headers, Angle Plug Heads, Stainless Steel

Speedway Motors |

#9308037S

S/B Chevy Hugger Tight-Fit Headers, Angle Plug Heads, Stainless Steel

(2)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$458.99

/pair

Small Block Chevy 1928-1948 Ford Chassis Headers, AHC Coated

Speedway Motors |

#930C32H

Small Block Chevy 1928-1948 Ford Chassis Headers, AHC Coated

(21)

Header Tube Type:

Chassis

Exhaust Port Shape:

Round

Flange Style:

Standard

$413.99

/pair

1928-34 Ford Chassis SBC Small Block Chevy V8 Headers, Raw Finish

Speedway Motors |

#930C1

1928-34 Ford Chassis SBC Small Block Chevy V8 Headers, Raw Finish

(2)

Header Tube Type:

Chassis

Exhaust Port Shape:

Round

Flange Style:

Standard

$349.99

/pair

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

Speedway Motors |

#9300104H

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

(7)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$329.99

/pair

Small Block Chevy 1928-1948 Ford Chassis Headers, Raw Finish

Speedway Motors |

#930C32

Small Block Chevy 1928-1948 Ford Chassis Headers, Raw Finish

(2)

Header Tube Type:

Chassis

Exhaust Port Shape:

Round

Flange Style:

Standard

$413.99

/pair

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

Speedway Motors |

#9300104

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

(2)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$219.99

/pair

Small Block Chevy Header Kit, 1-3/4 Standard Port, 3 Inch Collector

Speedway Motors |

#41865600

Small Block Chevy Header Kit, 1-3/4 Standard Port, 3 Inch Collector

(17)

Header Tube Type:

Roadster

Flange Style:

Standard

Primary Tube Diameter:

1-3/4"

$207.99

/each

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Chrome

Speedway Motors |

#9300104C

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Chrome

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$351.99

/pair

-7%

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

Flowtech Exhaust |

#42531500FLT

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$531.95

/set

$575.95

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

$142 Off

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

$213.95

/each

$355.95

Rebate

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

$607.95

/set

$675.95

-6%

Hooker 2100HKR Block Hugger Header, 4 Inch Length, Painted

Hooker Headers |

#4252100HKR

Hooker 2100HKR Block Hugger Header, 4 Inch Length, Painted

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$449.95

/set

$479.95

-7%

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

Flowtech Exhaust |

#425117057FLT

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

$561.95

/each

$608.95

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

Small Block Chevy Chassis Headers, AHC Coated

Speedway Motors |

#930C1H

Small Block Chevy Chassis Headers, AHC Coated

(2)

Header Tube Type:

Chassis

Exhaust Port Shape:

Round

Flange Style:

Standard

$524.99

/pair

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Chevy Small Block V8 421 Truck Headers

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Products

Speedway Small Block Chevy Hugger Tight Fit Headers, Raw Finish

SBC Block Hugger Headers for Tight-Fit Small Block Chevy 350

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

Tight-Fit Small Block Chevy Block Hugger Headers, Chrome

Speedway Small Block Chevy Block Hugger Headers, AHC Coated

Related Articles

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

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

Boom Tubes Small Block Chevy Zoomie Header Kit, 1-3/4 Inch, Raw Finish

Small Block Chevy 1928-34 Chassis Headers, Stainless Steel

Small Block Chevy Hugger Headers for Angle Plug Heads, AHC Coated

Small Block Chevy Header Kit, 1-5/8 Standard Port, 3 Collector

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

S/B Chevy Hugger Tight-Fit Headers, Angle Plug Heads, Stainless Steel

Small Block Chevy 1928-1948 Ford Chassis Headers, AHC Coated

1928-34 Ford Chassis SBC Small Block Chevy V8 Headers, Raw Finish

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

Small Block Chevy 1928-1948 Ford Chassis Headers, Raw Finish

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

Small Block Chevy Header Kit, 1-3/4 Standard Port, 3 Inch Collector

Tight-Fit Small Block Chevy ZZ-4 Block Hugger Headers, Chrome

Flowtech 31500FLT, Long Tube Header, Ceramic Coated

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

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

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

Hooker 2100HKR Block Hugger Header, 4 Inch Length, Painted

Flowtech 11705-7FLT Block Hugger Header, SB Chevy, Stainless Steel

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

Small Block Chevy Chassis Headers, AHC Coated

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