1966 Ford Thunderbird Spark Plug
Browse our online catalogue to find original replacement Spark Plugs specifically designed to fit a 1966 Ford Thunderbird.





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Part # WR5 Gap 0.034" OE Equivalent Design
Part # WR5 Gap 0.034" OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Part # WR5 Gap 0.034" OE Equivalent Design
Part # WR5 Gap 0.034" OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design





1966 Ford Thunderbird Spark Plug
$4.64
$4.26
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Part # WR5 Gap 0.034" OE Equivalent Design
Part # WR5 Gap 0.034" OE Equivalent Design

1966 Ford Thunderbird Spark Plug
$3.46
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap

1966 Ford Thunderbird Spark Plug
$3.46
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap

1966 Ford Thunderbird Spark Plug
$3.46
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Part # WR5IX Gap 0.034"
Part # WR5IX Gap 0.034"





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Part # WR5IX Gap 0.034"
Part # WR5IX Gap 0.034"





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510





1966 Ford Thunderbird Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Part # WR5IX Gap 0.034"
Part # WR5IX Gap 0.034"

1966 Ford Thunderbird Spark Plug
$5.63
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap

1966 Ford Thunderbird Spark Plug
$5.63
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap

1966 Ford Thunderbird Spark Plug
$5.63
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap

1966 Ford Thunderbird Spark Plug
$4.95
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

1966 Ford Thunderbird Spark Plug
$4.51
$3.93
Out of Stock
Condition: New
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

1966 Ford Thunderbird Spark Plug
$4.51
$3.93
Out of Stock
Condition: New
Required Per Vehicle: 8
Made in Japan
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

1966 Ford Thunderbird Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap

1966 Ford Thunderbird Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap

1966 Ford Thunderbird Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
1966 Ford Thunderbird Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
1966 Ford Thunderbird Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Engine Base: 7.0L 6997cc 427ci V8 (4.23x3.78; 107.5x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
1966 Ford Thunderbird Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 1966 Ford Thunderbird
Equipped With:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap