1966 Ford Thunderbird Spark Plugs
More 1966 Ford Thunderbird Spark Plugs
Find your specific 1966 Ford Thunderbird original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1966 Ford Thunderbird Spark Plugs
MSD Ignition – Wire Set; Super Conductor; Multi-Angle Plug; HEI Cap (Part No.31189)
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$129.99
For engines with late-model type (HEI spark plug top) distributor caps. Multi-angle boots and terminals installed on one end. 90 degree distributor boots and terminals included.
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Product Features:
- Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
- Distributor Cap – Boots and Terminals Included
- Includes Mini-Stripper-Crimper For Factory Style Crimps
- Size Includes [8] 90 Degree Boots/Terminal Ends
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
MSD Ignition – Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI (Part No.31199)
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$129.99
Set includes terminals for engines with early type (socket) and late type (HEI spark plug top) distributor caps. 90 degree boots and terminals factory installed on one end.
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Product Features:
- Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
- Incl. both socket-style and spark plug-style boots and terminals
- Includes Mini-Stripper-Crimper For Factory Style Crimps
- Size Includes: [2]48/50/56 in./[3] 32 in. Wires/Boots/Terminals
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
Accel – 8.8Mm Spiral Universal Fit (Part No.8033)
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$153.99
These ACCEL 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while providing maximum conductivity for ultimate performance in any race or street application. Double silicon insulation eliminates leakage and misfire.
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Product Features:
- 500 Ohms/ft Of Resistance
- 550 F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- Custom-fit Universal And Import Coverage
- Pre And Post HEI Vehicles
- Magnetic Suppression
- Fiberglass/Kevlar Core
- 500 Ohms Resistance
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP26)
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$6.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes optimize engine performance for a longer life and improved fuel economy. The platinum ball welding process ensures a consistent point of contact for enhanced adhesion, while the tapered seat type further contributes to the plug’s superior durability.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
- Engineered in the USA: Backed by over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite spark plugs are designed and engineered in the USA for exceptional quality and reliability.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.25)
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$3.49
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite continues to innovate with its copper spark plugs. Designed and engineered in the USA, these plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making these spark plugs a reliable choice for enhancing your vehicle’s performance.
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts: The Autolite Copper Spark Plug ensures quick engine starts, enhancing your vehicle’s reliability and performance.
- Good Fuel Economy: Engineered to optimize fuel efficiency, these spark plugs help you save on fuel costs while maintaining excellent performance.
- Smooth Acceleration: Experience smoother acceleration with Autolite’s advanced copper spark plug design, providing a more responsive driving experience.
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5144)
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$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP45)
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$4.79
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers unmatched reliability. Designed and engineered in the USA, these spark plugs feature a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion for extended life. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The tapered seat type further enhances performance and durability. For even greater performance, consider upgrading to Autolite Double Platinum or Iridium XP spark plugs.
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
- Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard spark plugs.
- Tapered Seat Type: Enhances overall performance and durability.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR5EIX-11 (Part No.5464)
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$10.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhanced fuel efficiency, making them ideal for performance enthusiasts.
- Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BKR5E-11 (Part No.6953)
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$4.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
Motorcraft – SPARK PLUG (Part No.SP-420)
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$2.79
Motorcraft spark plugs are designed, engineered and recommended by Ford Motor Company.
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Product Features:
- Same part installed when the engine rolled off the assembly line
- Designed to deliver quick starts, enhanced fuel economy and smooth acceleration
Champion – Copper Plus- Boxed – RF14YC (Part No.21)
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$2.49
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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Product Features:
- Copper Plus – Dependable Performance.
- Copper core center electrode allows for accurate control of heat range for longer life
- Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
- Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
- Built to ISO and SAE standards for proven performance
Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Misfires (Part No.SP-415-A)
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$3.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.
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Product Features:
- Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Backed by Motorcraft’s Service Parts Warranty
- Exact fit for Ford, Lincoln and Mercury vehicles
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service intervals of up to 100,000 miles.
- Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
- Motorcraft ignition components help prevent false check engine lights.
- Engineered for Ford Vehicles: Original equipment on Ford, Lincoln, and Mercury vehicles, ensuring an exact fit and reliable performance.
DENSO – PT16TT Platinum TT Spark Plug (Part No.4511)
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, ZTJ16R10 (Part No.5090)
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$10.99
Manufactured to the strictest OE performance, durability and emissions standards.
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Product Features:
- Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
- Platinum ground electrode for extended life
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Sustained spark performance over 100,000 miles
- Lasts up to three times as long as conventional plugs
- Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
- Iridium Long Life
- Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced properties of DENSO’s Iridium alloy.
- Fuel Efficiency: Experience better conservation of fuel at all times, contributing to overall improved engine efficiency.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.46)
from
$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts: Autolite Copper Core spark plugs are engineered to ensure your engine starts quickly and efficiently.
- Good Fuel Economy: Designed to optimize fuel consumption, these spark plugs help you achieve better mileage.
- Smooth Acceleration: Experience smoother and more responsive acceleration with Autolite Copper Core spark plugs.
- OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring reliable performance.
- Tapered Seat Type: Featuring a tapered seat type, these spark plugs provide a secure fit and optimal performance.
Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)
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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)
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$6.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Spark Plug Non-Foulers – 18mm Tapered Seat (Part No.42002)
from
$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 1966 Ford Thunderbird Spark Plugs Categories
1966 Ford Thunderbird Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1966 Ford Thunderbird. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 16 different Spark Plugs in our inventory ranging from $2.79 to $129.99. That means you can find the exact parts or products you need to keep that 1966 Ford Thunderbird running smoothly.
Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Ford Thunderbird. Autolite, Motorcraft, and NGK 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 Spark Plugs for your 1966 Ford Thunderbird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 238 reviews in this category, some of the top rated parts include SPARK PLUG with 4.0 stars and Spark Plug Non-Foulers – 18mm Tapered Seat with 5.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1966 Ford Thunderbird 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!
Spark Plugs Brands To Make Your 1966 Ford Thunderbird Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Ford Thunderbird demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Thunderbird the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Autolite Spark Plugs
We carry Autolite parts in our stock across Spark Plugs categories, plus more. For a 1966 Ford Thunderbird, our most popular Autolite Spark Plugs include:
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$3.49
(18)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
FAQs for 1966 Ford Thunderbird Spark Plugs
What are the most purchased Spark Plugs for the 1966 Ford Thunderbird?
Out of 16 Spark Plugs for the 1966 Ford Thunderbird, the most popular in our inventory are:
What are the top-rated 1966 Ford Thunderbird Spark Plugs?
Top-rated Spark Plugs for your 1966 Ford Thunderbird based on customer reviews/ratings are:
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$129.99
(2)
Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI
“I Bought This MSD Plug Wire Set For My Ford 390 FE Engine. These MSD Wires Are Great. I Bought The Universal Set So I Could Tailor The Size For A Nea”
