GMC Gen 1 L14 Small Block Chevy Classic Truck Headers and Exhaust Parts

Get an exact fit for your

GMC - Chevy Small Block V8 Gen 1 2-Piece Rear Main 307 L14

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Year

Make

GMC

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Model

83 products

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Fitment

GMC

Engine Family

Chevy Small Block V8

Engine Version

Gen 1 2-Piece Rear Main

Displacement

307

Engine Code

L14

Department

Street

Application

Classic Truck

Products

-9%

Patriot Exhaust |

#447H8048

Patriot Exhaust H8048 Header, 73-87 Chevy Truck, Raw

(2)

Header Tube Type:

Long Tube

Exhaust Port Shape:

Oval

Flange Style:

Standard

$372.55

/set

$409.81

-9%

Patriot Exhaust |

#447H80481

Patriot Exhaust H8048-1 Header, 73-87 Chevy Truck, CC

Header Tube Type:

Long Tube

Exhaust Port Shape:

Oval

Flange Style:

Standard

$674.77

/set

$742.25

-9%

Patriot Exhaust |

#447H8036

Patriot Exhaust H8036 Clippster Header, 82-95 Chevy S-10, Black

(20)

Header Tube Type:

Mid-Length

Exhaust Port Shape:

Round

Flange Style:

Standard

$298.13

/set

$327.94

Exhaust Manifold, Rams Horn 1969-72 Chevy C10, Left Side

Speedway Motors |

#910674201

Exhaust Manifold, Rams Horn 1969-72 Chevy C10, Left Side

(1)

Material Type:

Cast Iron

Finish:

Natural

Collector Diameter:

2 Inch

$191.99

/each

Rebate

Flowmaster |

#37817654

Flowmaster 17654 American Thunder Exhaust Kit, 1967-72 GM Truck

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$782.95

/kit

$870.95

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.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

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!

Chevy L79 327 Engine I History, Specs, & Build Ideas

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

Rebate

Flowmaster |

#378817654

Flowmaster 817654 American Thunder Exhaust Kit, 1967-72 GM Pickup

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$874.95

/kit

$972.95

-9%

Patriot Exhaust |

#447H8051

Patriot Exhaust H8051 Header, 82-95 Blazer SBC, Black, 1-1/2 Inch

Header Tube Type:

Shorty

Exhaust Port Shape:

Round

Flange Style:

Standard

$342.02

/set

$376.22

-9%

Patriot Exhaust |

#447H8049

Patriot Exhaust H8049 Header, 67-87 Chevy Truck, Raw, 1-5/8

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

$341.50

/set

$375.65

Rebate

Flowmaster |

#378817940

Flowmaster 817940 American Thunder Crossmember-Back Exhaust

Exhaust System Kit Type:

Direct Fit

$898.95

/kit

$999.95

-14%

Pypes Performance DGU16S Exhaust Manifold Down Pipe 2.5 in

Pypes Performance Exhaust |

#460D0017

Pypes Performance DGU16S Exhaust Manifold Down Pipe 2.5 in

$201.79

/pair

$236.77

Showing 1 - 36 of 83 results

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GMC Gen 1 L14 Small Block Chevy Classic Truck Headers and Exhaust Parts

Model

Subcategory

Part

Brand

Availability

Discounts

Price

Customer Rating

Products

Patriot Exhaust H8048 Header, 73-87 Chevy Truck, Raw

Patriot Exhaust H8048-1 Header, 73-87 Chevy Truck, CC

Patriot Exhaust H8036 Clippster Header, 82-95 Chevy S-10, Black

Exhaust Manifold, Rams Horn 1969-72 Chevy C10, Left Side

Flowmaster 17654 American Thunder Exhaust Kit, 1967-72 GM Truck

Related Articles

Flowmaster 817654 American Thunder Exhaust Kit, 1967-72 GM Pickup

Patriot Exhaust H8051 Header, 82-95 Blazer SBC, Black, 1-1/2 Inch

Patriot Exhaust H8049 Header, 67-87 Chevy Truck, Raw, 1-5/8

Flowmaster 817940 American Thunder Crossmember-Back Exhaust

Pypes Performance DGU16S Exhaust Manifold Down Pipe 2.5 in

Models: