1971 Ford M-400 Spark Plugs
More 1971 Ford M-400 Spark Plugs
Find your specific 1971 Ford M-400 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 1971 Ford M-400 Spark Plugs
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reliable Performance (Part No.R83TS)
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$3.79
ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacements for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Nickel Alloy Electrode Tip: Designed with a nickel alloy center electrode tip, these spark plugs provide enhanced durability and consistent performance.
- Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to the overall reliability and efficiency of your vehicle’s engine.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP45)
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$5.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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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
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
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, WR5 (Part No.2438)
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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 increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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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
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, WR5IX (Part No.7510)
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$11.99
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 enhance 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.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.45)
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$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark 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 plugs a reliable choice for any vehicle. The tapered seat type further enhances the plug’s performance, providing quick starts, good fuel economy, and smooth acceleration.
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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 and Smooth Acceleration: Designed to provide quick engine starts and smooth acceleration, enhancing overall driving performance.
- Good Fuel Economy: Engineered to optimize fuel efficiency, helping you save on fuel costs.
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.
Product Features:
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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.
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
Popular 1971 Ford M-400 Spark Plugs Categories
1971 Ford M-400 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1971 Ford M-400. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 8 different Spark Plugs in our inventory ranging from $2.49 to $129.99. That means you can find the exact parts or products you need to keep that 1971 Ford M-400 running smoothly.
Spark Plugs 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 1971 Ford M-400. Autolite, NGK, and ACDelco 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 1971 Ford M-400, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 98 reviews in this category, some of the top rated parts include Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI with 5.0 stars and Iridium IX Spark Plug: Single Iridium Fine Wire, WR5IX with 5.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1971 Ford M-400 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 1971 Ford M-400 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1971 Ford M-400 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 M-400 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 1971 Ford M-400, 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 1971 Ford M-400 Spark Plugs
What are the most purchased Spark Plugs for the 1971 Ford M-400?
Out of 8 Spark Plugs for the 1971 Ford M-400, the most popular in our inventory are:
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$5.99
This product is not rated
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
What are the top-rated 1971 Ford M-400 Spark Plugs?
Top-rated Spark Plugs for your 1971 Ford M-400 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”
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$11.99
(1)
Iridium IX Spark Plug: Single Iridium Fine Wire, WR5IX
“This store is Great especially Doug at the Store !
Great Customer Service and knows all the right parts for my 5 vehicles !
Thankyou
JF”
