Back to home page
|Listed in category:

Find parts that fit

We need more information about your vehicle to confirm fit.

Picture 1 of 5

Picture 1 of 5
Video 1 of 1
Picture 2 of 5
Picture 3 of 5
Picture 4 of 5
Picture 5 of 5
Have one to sell?
Sell it yourself

8 pc Denso Iridium Power Spark Plugs for 1971 Ford Custom 5.0L V8 Ignition fc

The #1 Seller of Genuine Denso Parts on eBay
Sixity Auto Parts
(562008)
Registered as a business seller
Seller's other items
Contact seller
US $74.25
ApproximatelyEUR 64.17
List price US $148.49 (50% off)What does this price mean?
Recent sales price provided by the seller
Condition:
New
More information - About this item condition
2 available
Breathe easy. Free postage and returns.
Postage:
Free Standard Shipping.
Located in: Indianapolis, Indiana, United States
Delivery:
Estimated between Fri, 8 Aug and Tue, 12 Aug to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the delivery service selected, the seller's delivery history and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return postage.
Payments:
    Diners Club

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:127163933265
Last updated on 01 Aug, 2025 21:46:51 BSTView all revisionsView all revisions

Compatibility

This part is compatible with 14 vehicle(s)
YearMakeModelTrimEngineNotes
1971FordCustomBase Sedan 4-Door3.9L 3933CC 240Cu. In. l6 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door6.4L 6391CC 390Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door6.6L 6556CC 400Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Sedan 4-Door7.0L 7030CC 429Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door3.9L 3933CC 240Cu. In. l6 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door5.8L 5753CC 351Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door5.0L 302Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door6.4L 6391CC 390Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door6.6L 6556CC 400Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
1971FordCustomBase Wagon 4-Door7.0L 7030CC 429Cu. In. V8 GAS OHV Naturally AspiratedGap 0.044;Iridium Power - Performance Upgrade With World'S Smallest Center Electrode (0.4 Mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Portions of the information contained in this table have been provided by sixityauto

Item specifics

Condition
New
Brand
DENSO Auto Parts
Type
Spark Plug
Manufacturer Part Number
SX-6440 Iridium Power 1971 Ignition
Item Length
3.620
Manufacturer Warranty
1 Year
Interchange Part Number
NGK C403 Bosch 9-5
Placement on Vehicle
Ignition > Hardware Fasteners Fittings
Compatible Make
Ford
Compatible Model
Custom
Compatible Year
1971
Core Charge
Free - No Core Charge
Fitment Type
Direct Replacement
Bundle Description
8 pc Genuine DENSO Spark Plug Kit
UPC
Does not apply

Item description from the seller

Seller business information

I certify that all my selling activities will comply with all EU laws and regulations.
About this seller

Sixity Auto Parts

98.7% positive Feedback•2.2M items sold

Joined May 2013
Registered as a business seller
Sixity Auto Parts® helps drivers find premium OEM-replacement auto parts from the best brands in the world at unbeatable prices so they can repair their vehicles without breaking the bank. Find out ...
See more
Visit shopContact

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage cost
5.0
Delivery time
5.0
Communication
5.0

Popular categories from this shop

See allcategories
SixityACIADVICSAirtexAISINAnchorANCOAutoliteBando

Seller Feedback (612,450)

All ratings
Positive
Neutral
Negative
See all Feedback

More to explore: