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Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires

4.51 out of 5 stars 1023 Customer Reviews

With Summit Racing™ branded, all-100 percent silicone 8mm constructed wire, a 300 ohm per foot wire-wound EMI suppression core, high-heat silicone boots, and stainl
With Summit Racing™ branded, all-100 percent silicone 8mm constructed wire, a 300 ohm per foot wire-wound EMI suppression core, high-heat silicone boots, and stainless steel and brass terminals, you get all the high-end features a wire set can offer, without breaking the bank!

- Dual silicone high tear-resistant jacketing with fiberglass matting gives you the highest heat protection and superior terminal pull-off values in the business
- Our 300 ohm per foot wire-wound magnetic suppression core maximizes the voltage output of your ignition system, while maintaining high EMI resistance values
* Stainless steel te
With Summit Racing™ branded, all-100 percent silicone 8mm constructed wire, a 300 ohm per foot wire-wound EMI suppression core, high-heat silicone boots, and stainless steel and brass terminals, you get all the high-end features a wire set can offer, without breaking the bank!

- Dual silicone high tear-resistant jacketing with fiberglass matting gives you the highest heat protection and superior terminal pull-off values in the business
- Our 300 ohm per foot wire-wound magnetic suppression core maximizes the voltage output of your ignition system, while maintaining high EMI resistance values
* Stainless steel terminals with posi-lock hardened clips and brass terminals are used for superior connection and consistent voltage delivery
- Ultra-high heat silicone spark plug boots provide superior radiant heat protection
- High dielectric strength properties virtually eliminate voltage leakage and blow through

Installing our Summit Racing™ high-end 8mm sets will give you the confidence, reliability, and performance you expect from Summit Racing™ products.

Results 1 - 25 of 82

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 90 Degree Spark Plug Boots, SBC HEI, Over Valve Covers, V8, Set

Part Number: SUM-868836R

4.41 out of 5 stars ( 108 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.45 out of 5 stars ( 101 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830R

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 90 Degree Spark Plug Boots, Chevrolet / GMC Trucks, EST Ignition, 5.0 / 5.7L, V8, Set

Part Number: SUM-868858R

4.54 out of 5 stars ( 71 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 90 Degree Spark Plug Boots, Chevy / GMC Trucks, Vortec Flat Cap, SBC, V8, Set

Part Number: SUM-867834

4.48 out of 5 stars ( 42 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 135 Degree Spark Plug Boots, Mustang, Bronco, F-150, 5.0 / 5.8L, V8, Set

Part Number: SUM-868112

4.11 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 90 Degree Spark Plug Boots, Universal, V8, Set

Part Number: SUM-860825R

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, OEM Spark Plug Boots, Dodge, Jeep, 5.2 / 5.9L Magnum, V8, Set

Part Number: SUM-867815

4.88 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 90 Degree Spark Plug Boots, Chevrolet / GMC Trucks, EST Ignition, 5.0 / 5.7L, V8, Set

Part Number: SUM-868858

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 90 Degree Spark Plug Boots, Chevy / GMC Trucks, Vortec Flat Cap, SBC, V8, Set

Part Number: SUM-867834R

4.54 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, Chevy / GMC, Vortec Flat Cap, 4.3L, V6, Set

Part Number: SUM-867650

4.5 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 135 Degree Spark Plug Boots, 90 Degree Socket Style Distributor Boots, AMC / GM / Ford, V8, Set

Part Number: SUM-867805

4.46 out of 5 stars ( 35 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830

4.83 out of 5 stars ( 35 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 90 Degree Spark Plug Boots, Universal, V8, Set

Part Number: SUM-860825

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 180 Degree Spark Plug Boots, Universal, V8, Set

Part Number: SUM-860826

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 180 Degree Spark Plug Boots, 180 Degree Socket Style Distributor Boots, Mopar LA, V8, Set

Part Number: SUM-867807

4.34 out of 5 stars ( 38 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 180 Degree Spark Plug Boots, Universal, V8, Set

Part Number: SUM-860826R

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 2-90 / 4-180 Degree Spark Plug Boots, Jeep, 4.0L, L6, Set

Part Number: SUM-867625

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 180 Degree Spark Plug Boots, 180 Degree Socket Style Distributor Boots, Mopar LA, V8, Set

Part Number: SUM-867807R

4.76 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 90 Degree Spark Plug Boots, Straight Socket Style Distributor Boots, SBC, Over Valve Covers, Set

Part Number: SUM-867803

4.0 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, Chevy / GMC Trucks, Vortec Flat Cap, 7.4L, V8, Set

Part Number: SUM-867826

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 135 Degree Spark Plug Boots, Universal, V8, Set

Part Number: SUM-860827

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 90 Degree Spark Plug Boots, HEI, Under Valve Covers, GM Cars / Tucks, 4.4 / 5.0 / 5.7L, Set

Part Number: SUM-G813

4.35 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue,180 Degree Spark Plug Boots, BBC HEI, V8, Set

Part Number: SUM-868850

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air