1971 Plymouth Roadrunner Engine Expansion Plugs
Save up to 40% on original replacement 1971 Plymouth Roadrunner Engine Expansion Plugs. Navigate our online catalogue to find Engine Expansion Plugs and other parts designed specifically to fit a 1971 Plymouth Roadrunner.
Engine Expansion Plug
$20.16
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$20.16
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.71
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
1.64 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$18.58
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Vehicle Fitment Notes:
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Shallow Cup Type 1.703 In. As Req Package Quantity: 10 Dorman - AutoGrade - Boxed Packaging Type: Box
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
$3.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Dorman - AutoGrade - Bagged Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Shallow Cup Type 1 Required 1.25 In. Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 340ci V8;
Engine Base: 5.6L 340ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Engine Base: 5.6L 5572cc 340ci V8 (4.04x3.31; 102.5x84.1);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 383ci V8;
Engine Base: 6.3L 383ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Engine Base: 6.3L 6286cc 383ci V8 (4.25x3.38; 107.9x85.8);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 426ci V8;
Engine Base: 7.0L 426ci V8;
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Engine Base: 7.0L 6981cc 426ci V8 (4.25x3.75; 107.9x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
Engine Expansion Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Engine Base: 7.2L 7211cc 440ci V8 (4.32x3.75; 109.7x95.2);
Vehicle Fitment Notes:
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag
1.64 In. As Req Package Quantity: 1 Pik-A-Nut (Bagged) Packaging Type: Bag