1966 Chevrolet K20 Pickup Exhaust Manifold and Headers

Essential 1966 Chevrolet K20 Pickup Exhaust Manifold and Headers

ARP Auto Racing – ARP Header Bolt Kit (Part No.100-1402)

ARP Header Bolt Kit

from

$69.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless steel kit with 12-point nuts. The stainless material is not affected by corrosion or extreme heat, making it ideal for the application. What’s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Each ARP accessory stud or bolt kit includes the specific number of parts for your appliaction, plus premium-quality washers and hex or 12-point nuts, as required. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading. Studs and bolts come either Black Oxide chrome moly or Stainless. Both are nominally rated at 180,000 psi tensile strength; substantially stronger than Grade 8 hardware. Specially drilled NASCAR models are available for those who wish to safety wire their bolts to prevent loosening.

Product Features:
  • 3/8″-16 Thread Size(s)
  • Steel
  • Black Oxide
  • Small Block Chevy
  • 12-Point Head
  • Set of 12
  • 1.670″ Overall Length
See More

Flowtech – Ceramic Header (Part No.31500FLT)

Ceramic Header

from

$469.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Ceramic Headers
  • Rust And Corrosion Resistance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
See More

Flowtech – High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals (Part No.11500FLT)

High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals

from

$226.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-201)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$155.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
See More

Hooker Headers – Competition Header (Part No.2453-1HKR)

Competition Header

from

$635.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
See More

JBA Performance – 1830S-6JS 1 5/8" Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor Silver Ceramic (Part No.1830S-6JS)

1830S-6JS 1 5/8" Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor Silver Ceramic

from

$956.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1830S-6JS 1 5/8″ Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor Silver Ceramic
  • Mandrel bent stainless steel tube
See More

Flowtech – Standard Header (Part No.11500SFLT)

Standard Header

from

$415.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
See More

Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$642.99
ExhstHdr

Flowtech – Standard Header (Part No.11510FLT)

Standard Header

from

$257.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
See More

JBA Performance – 1830S-6 1 5/8" Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor (Part No.1830S-6)

1830S-6 1 5/8" Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor

from

$809.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1830S-6 1 5/8″ Header Shorty Stainless Steel GM Truck 5.0/5.7L with Carburetor
  • Mandrel bent stainless steel tube
See More

Hooker Headers – Super Comp. Header (Part No.2817-1HKR)

Super Comp. Header

from

$1318.00
Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:
  • Long Tube Lengths
  • Long Transition Collectors
  • Monstrous Low-Mid Range Torque
  • Keep Top End Horsepower
  • Provides Finest Fit
  • Most Durable Design Available
See More

Flowtech – Standard Header (Part No.11506FLT)

Standard Header

from

$232.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
See More

Dynomax – Manifold/Header (Part No.85003)

Manifold/Header

from

$99.99
Manifold/Header

Hooker Headers – Competition Header (Part No.2463-1HKR)

Competition Header

from

$737.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
See More

ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12 (Part No.400-1111)

For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12

from

$44.49
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 Psi Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
See More

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 1"L, 12Point Head, Natural, Ss, Set Of 16 (Part No.400-1212)

For Use With Chevy Big Block, 3/8"-16, 1"L, 12Point Head, Natural, Ss, Set Of 16

from

$56.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
See More

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Black Oxide, Set Of 16 (Part No.100-1102)

For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Black Oxide, Set Of 16

from

$24.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • Set of 16
  • 0.75″ Overall Length
See More

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16 (Part No.400-1102)

For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16

from

$40.49
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 3/8″-16 Thread Size
  • 1″ Underhead Length
See More

ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)

0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12

from

$25.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 Psi Tensile Strength
  • Set of 12
  • 0.75″ Overall Length
See More

ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)

For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12

from

$18.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • Set of 12
  • 0.75″ Overall Length
See More

Mr. Gasket – Exhsthdrbolt (Part No.2231G)

Exhsthdrbolt

from

$56.99
Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:
  • 16 per Package
  • Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth
See More

Taylor Gaskets – Vibe-Lock Bolt (Part No.310001)

Vibe-Lock Bolt

from

$102.99
Vibe-Lock Bolt

Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)

Vibe-Lock Bolt

from

$89.99
Vibe-Lock Bolt

Mr. Gasket – Exhsthdrbolt (Part No.2230G)

Exhsthdrbolt

from

$47.99
Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:
  • 12 per Package
  • Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth
See More

ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12 (Part No.400-1101)

For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12

from

$24.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:
  • Material Is Not Affected By Corrosion Or Extreme Heat
  • The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
  • Substantially Stronger Than Grade 8 Hardware
  • Nominally Rated At 170,000 PSI Tensile Strength
  • 0.75″ Underhead Length
  • Set of 12
See More

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

1966 Chevrolet K20 Pickup Exhaust Manifold and Headers

Maybe you’re in the middle of a full rebuild of that 1966 Chevrolet K20 Pickup. Maybe you just need a couple of Exhaust Manifold and Headers. Either way, Advance Auto Parts has 14 different Exhaust Manifold and Headers in our inventory ranging from $18.99 to $642.99. That means you can find the exact parts or products you need to keep that 1966 Chevrolet K20 Pickup running smoothly.

Exhaust Manifold and Headers are only as good as their brand. We stock 5 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Chevrolet K20 Pickup. Flowtech, ARP Auto Racing, and Mr. Gasket are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Exhaust Manifold and Headers for your 1966 Chevrolet K20 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust Manifold and Headers to keep your 1966 Chevrolet K20 Pickup rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Exhaust Manifold and Headers Brands To Make Your 1966 Chevrolet K20 Pickup Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Chevrolet K20 Pickup demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust Manifold and Headers make up Advance Auto Parts’ inventory, and all are ready to help make your K20 Pickup the best it can be. Be sure to browse some of our top Exhaust Manifold and Headers brands and parts.

Popular Flowtech Exhaust Manifold and Headers

We carry Flowtech parts in our stock across Exhaust Manifold and Headers categories, plus more. For a 1966 Chevrolet K20 Pickup, our most popular Flowtech Exhaust Manifold and Headers include:
Ceramic Header
from $469.99
(2)
Ceramic Header
Exhaust Manifold and Headers
High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals
from $226.99
(13)
High-Performance Mandrel-Bent Headers with Leakproof O-Ring Seals
Exhaust Manifold and Headers

FAQs for 1966 Chevrolet K20 Pickup Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the 1966 Chevrolet K20 Pickup?

Out of 14 Exhaust Manifold and Headers for the 1966 Chevrolet K20 Pickup, the most popular in our inventory are:
For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12
from $44.49
This product is not rated
For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12
Exhaust Manifold and Header Hardware
For Use With Chevy Small Block, 3/8 - 16" Thread Size, .75" L, Natural, Set Of 12
from $26.99
This product is not rated
For Use With Chevy Small Block, 3/8 – 16" Thread Size, .75" L, Natural, Set Of 12
Exhaust Manifold and Header Hardware
Exhsthdrbolt
from $47.99
This product is not rated
Exhsthdrbolt
Exhaust Manifold and Header Hardware