GMC Gen 1 L03 Small Block Chevy Classic Truck Headers and Exhaust Parts

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GMC - Chevy Small Block V8 Gen 1 1-Piece Rear Main 305 L03

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Make

GMC

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Model

11 products

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Fitment

GMC

Engine Family

Chevy Small Block V8

Engine Version

Gen 1 1-Piece Rear Main

Displacement

305

Engine Code

L03

Department

Street

Application

Classic Truck

Products

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Flowtech 91830FLT Shorty Headers, Black Painted

Flowtech Exhaust |

#42591830FLT

Flowtech 91830FLT Shorty Headers, Black Painted

Header Tube Type:

Shorty

Flange Style:

Round Port

Primary Tube Diameter:

1-1/2"

$314.95

/each

$349.95

Rebate

Flowtech 11569FLT Small Block Chevy Turbo Headers

Flowtech Exhaust |

#42511569FLT

Flowtech 11569FLT Small Block Chevy Turbo Headers

Header Tube Type:

Turbo

Primary Tube Diameter:

1-3/4"

Material Type:

Stainless Steel

$413.95

/kit

$460.95

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Hooker 10808HKR Header Gasket 0.060 Inch Thick, SBC-street

Hooker Headers |

#42510808HKR

Hooker 10808HKR Header Gasket 0.060 Inch Thick, SBC-street

(3)

Material Type:

Fiber

Sold in Quantity:

Pair

$23.61

/pair

$26.23

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Hooker 8525HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Natural

Hooker Headers |

#4258525HKR

Hooker 8525HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Natural

(11)

Material Type:

Cast Iron

Finish:

Natural

Collector Diameter:

2-1/2 Inch

$304.15

/kit

$337.95

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Hooker 8527HKR S/B Chevy Exhaust Manifolds, D-Port, Natural

Hooker Headers |

#4258527HKR

Hooker 8527HKR S/B Chevy Exhaust Manifolds, D-Port, Natural

(3)

Material Type:

Cast Iron

Finish:

Natural

Collector Diameter:

2-1/2 Inch

$278.05

/kit

$308.95

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

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.

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

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!

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.

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Hooker 8525-3HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Black

Hooker Headers |

#42585253HKR

Hooker 8525-3HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Black

(7)

Material Type:

Cast Iron

Finish:

Ceramic Coated

Collector Diameter:

2-1/2 Inch

$367.95

/kit

$409.95

Rebate

Hooker 8525-1HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Silver

Hooker Headers |

#42585251HKR

Hooker 8525-1HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Silver

(2)

Material Type:

Cast Iron

Finish:

Ceramic Coated

Collector Diameter:

2-1/2 Inch

$459.95

/kit

$511.95

Rebate

Hooker 8527-3HKR S/B Chevy Exhaust Manifolds, D-Port, Black

Hooker Headers |

#42585273HKR

Hooker 8527-3HKR S/B Chevy Exhaust Manifolds, D-Port, Black

Material Type:

Cast Iron

Finish:

Ceramic Coated

Collector Diameter:

2-1/2 Inch

$367.95

/kit

$409.95

ARP 400-1201 Header Bolts, 3/8-16 x 3/4, Set/12

ARP |

#1014001201

ARP 400-1201 Header Bolts, 3/8-16 x 3/4, Set/12

(12)

Finish:

Polished

Sold in Quantity:

Set

$25.99

/set

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Mr Gasket |

#550915A

Mr Gasket 915A 100 Header Bolts

Material Type:

Steel

Sold in Quantity:

Set

$101.95

/each

$114.95

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GMC Gen 1 L03 Small Block Chevy Classic Truck Headers and Exhaust Parts

Model

Part

Brand

Availability

Discounts

Price

Customer Rating

Products

Flowtech 91830FLT Shorty Headers, Black Painted

Flowtech 11569FLT Small Block Chevy Turbo Headers

Hooker 10808HKR Header Gasket 0.060 Inch Thick, SBC-street

Hooker 8525HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Natural

Hooker 8527HKR S/B Chevy Exhaust Manifolds, D-Port, Natural

Related Articles

Hooker 8525-3HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Black

Hooker 8525-1HKR S/B Chevy Exhaust Manifolds, 2-1/2 Inch, Silver

Hooker 8527-3HKR S/B Chevy Exhaust Manifolds, D-Port, Black

ARP 400-1201 Header Bolts, 3/8-16 x 3/4, Set/12

Mr Gasket 915A 100 Header Bolts

Models: