Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Speedway Motors has all the essential performance ignition components and accessories muscle car owners crave! We stock everything from low-resistance spark plugs & wires and HEI distributors to ignition coils and MSD ignition control boxes. Our great selection from quality brands is why Speedway Motors is the only place to get your performance muscle car ignition parts.

"Muscle Car, Spark Plugs, Wires and Accessories" Page 1 of 4

  • DEi 010502 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Silver, 8 Pack
    DEi 010502 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Silver, 8 Pack
    x
                

    Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.

    • Double-wall construction for added durability
    • Helps prevent burn-through, hardening and cracking of boots
    • Installs in seconds
    • Universal-fits most straight or angled boots
    • Withstands 1200°F direct continuous heat
    • Non-flammable & protects against chemicals & resists water

    Protect-A-Boot Instructions (PDF)

    Exhaust Wrap Frequently Asked Questions (PDF)  

     

  • Red 7mm Solid Core Spark Plug Wire, 33 Ft.
    Red 7mm Solid Core Spark Plug Wire, 33 Ft.
    x
                

    Transparent red insulation on the cable allows you to actually see the woven wire core inside. Just trim to length and crimp on terminals. It readily accepts all normal boots and terminals available at local part stores, or use with Rajah ends.

    • Wire Diameter:  7mm
    • Wire Type:  Solid Core (Non-EMI Suppression)

    Not for use with multi-spark ignition boxes, such as MSD 6A or 6AL.

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Accel 1858 Red Heat Shrink Sleeves, 4 Pack
    Accel 1858 Red Heat Shrink Sleeves, 4 Pack
    x
                

    These red shrink tubes work perfect for sealing battery terminal connections.  They protect battery to cable connections by creating a water tight seal. 

    • Ideal for use on battery cable connections or spark plug wires
    • 4 sleeves in a kit at 4 inches long each
  • MSD 3414 Spark Plug Wire Markers, 8.5MM Wire
    MSD 3414 Spark Plug Wire Markers, 8.5MM Wire
    x
                

    These great little markers will save you time and ensure that the plug wires are always in the right place. They will withstand high underhood temperatures and work with 8.5mm wires. These plastic plug wire indicators are white with black lettering and are sold as a set. The Markers are also supplied on a trick orange tool that makes installation effortless.

    • Works with 8.5mm wires
    • Saves time and ensures correct wire location
    • Withstands high underhood temperatures
    • Makes installation effortless
    • Plastic material

    MSD Rebate (Link)

  • DEi 010512 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Black, 8 Pack
    DEi 010512 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Black, 8 Pack
    x
                

    Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.

    • Double-wall construction for added durability
    • Helps prevent burn-through, hardening and cracking of boots
    • Installs in seconds
    • Universal-fits most straight or angled boots
    • Withstands 1200°F direct continuous heat
    • Non-flammable & protects against chemicals & resists water

    Protect-A-Boot Instructions (PDF)

    Exhaust Wrap Frequently Asked Questions (PDF)  

  • Red Spark Plug Wire Terminal & Boot Kit
    Red Spark Plug Wire Terminal & Boot Kit
    x
                

    Designed for use with our 7mm Red Spark Plug Wires (shown below).

    This Terminal and Boot Kit contains:

    • Eight 90° Spark Plug HEI style boots
    • Eight 90° Spark Plug HEI style terminals
    • One 90° Boot & Terminal for coil end of coil wire
    • Nine 90° Spark Boots for "socket style" cap
    • Eight 90° Terminals for "socket style" cap
    • Nine Straight Boots for "socket style" cap
    • Eight Straight Terminals for "socket style" cap

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Taylor Cable 70051 8mm Spark Plug Wires, 90 Deg, Resistor Core, Black
    Taylor Cable 70051 8mm Spark Plug Wires, 90 Deg, Resistor Core, Black
    x
                The ultimate in spark plug wires for racing and serious street machines. Universal fit set will require cutting to fit, terminating, and booting the distributor end.  
    • High grade silicone over silicone resists temperatures up to 600° F
    • Color coordinated silicone boots add a touch of class
    • HEI boots have "Professional Grips" for easy on/off installation
    • Double locking spark plug terminals provide a firm grip
    • Resistor core for street applications
    • Universal fit for HEI and socket style caps

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Moroso 73220 Spiral Core Spark Plug Wires Set, 135 Degree Boot, Blue Max
    Moroso 73220 Spiral Core Spark Plug Wires Set, 135 Degree Boot, Blue Max
    x
                

    The superiority of Moroso Blue Max 8mm, 800 ohm spiral core wire comes from over 27 years of continual refinement. The combination of Moroso engineering expertise and a rigorous testing program makes this the finest ignition wire available for street or race. These spark plug wire sets are terminated at the plug end only and include enough wire length and terminals to fit HEI or Non-HEI distributors. You install the distributor ends. Wire color is blue.

    • Optimized combination of capacitance, inductance and resistance
    • Provides more spark energy and EMI protection than any other spiral core wire available
    • Eliminates interference with on-board electronics and provides static-free sound quality for car audio systems
    • Universal plug wire set fits HEI or socket style caps
    • Spark plug terminals and boots factory installed
    • You install distributor ends

    Spark Plug Wire Installation Instructions (PDF)

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 8843 Spark Plug Wire Separators, Pro-Clamp
    MSD 8843 Spark Plug Wire Separators, Pro-Clamp
    x
                

    Separate your plug wires to keep them from arcing across one another with these MSD Pro-Clamp wire separators.

    Set is supplied with two 4-wire, two 3-wire, and four 2-wire separators.

    MSD Rebate (Link)

  • DEi 010511 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Black, 2 Pack
    DEi 010511 Protect-A-Boot Spark Plug Boot Heat Shield, 6 Inch, Black, 2 Pack
    x
                

    Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.

    • Double-wall construction for added durability
    • Helps prevent burn-through, hardening and cracking of boots
    • Installs in seconds
    • Universal-fits most straight or angled boots
    • Withstands 1200°F direct continuous heat
    • Non-flammable & protects against chemicals & resists water

    Protect-A-Boot Instructions (PDF)

    Exhaust Wrap Frequently Asked Questions (PDF)  

  • Spark Plug Boot Protectors, Set/8
    Spark Plug Boot Protectors, Set/8
    x
                Spark plug protector eliminates that melted boot problem! Heat treated fiberglass, universal size fits most boots - even 90°. Protects up to 1200°. Non-flammable, non-reactive to petroleum products and resists water and fungus. Overall length is 6.25".
            
  • Taylor Cable 70251 8mm Spark Plug Wires, 90 Degree, Red, Resistor Core
    Taylor Cable 70251 8mm Spark Plug Wires, 90 Degree, Red, Resistor Core
    x
                The ultimate in spark plug wires for racing and serious street machines. Universal fit set will require cutting to fit, terminating, and booting the distributor end.   
    • High grade silicone over silicone resists temperatures up to 600° F
    • Color coordinated silicone boots add a touch of class
    • HEI boots have "Professional Grips" for easy on/off installation
    • Double locking spark plug terminals provide a firm grip
    • Resistor core for street applications
    • Universal fit for HEI and socket style caps

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 5554 Street-Fire Spark Plug Wires Set, Small Block Chevy 350 HEI
    MSD 5554 Street-Fire Spark Plug Wires Set, Small Block Chevy 350 HEI
    x
                

    Street Fire low resistance spark plug wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery. Street Fire spark plug wires have the quality you've come to expect from MSD Ignition at a price that's comparable to other brands. They feature spiral-wound, low-resistance conductors and high EMI suppression capabilities, with 90 degree boots.

    • Long enough to go over valve covers
    • Helically wound conductor suppresses electro and radio noise
    • Kevlar core combination for great strength and durability
    • Heavy duty terminals for secure connection
    • 8mm silicone and synthetic jacket resists heat and abrasion
    • 500 ohms per foot resistance for improved spark delivery and power
    • Silicone boots protect against high exhaust temps
    These wires are for S/B Chevys with an HEI cap and are designed to be routed over the valve covers.
     
  • Accel 0114-4 14mm U-Groove Spark Plug-13/16 Hex, 3/4 Reach Gasket Seat
    Accel 0114-4 14mm U-Groove Spark Plug-13/16 Hex, 3/4 Reach Gasket Seat
    x
                

    Accel's patented U-groove design provides a hotter spark and increased horsepower. 

    U-Groove Benefits:

    • More power to the wheels
    • Improved ignitability
    • Improved throttle response and fuel efficiency
    • Develops larger spark nucleus for improved combustion and reduced fouling 
  • Moroso Spark Plug Wires, Over Valve Covers, HEI Cap Ends, Install-Ready
    Moroso Spark Plug Wires, Over Valve Covers, HEI Cap Ends, Install-Ready
    x
                

    If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 8mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.

    • 90 Degree boots on both ends  
    • Over the valve cover wire route
    • HEI distributor cap ends
    • Designed for small block Chevy
    • Coil wire not included

    Note: HEI type sets do not include remote coil wire

  • MSD 35599 8.5mm Spark Plug Wires Set, S/B Chevy HEI, Under Headers
    MSD 35599 8.5mm Spark Plug Wires Set, S/B Chevy HEI, Under Headers
    x
                

    What makes or breaks a plug wire is not only how well the wire is insulated, but how low of resistance the center core has. These assembled wire sets test 40-50 ohms per foot, while most others test 1500 ohms per foot.

    These low resistance spark plug wires are designed for Small Block Chevys with HEI and are routed under the headers. 

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

    MSD Rebate (Link)

  • Moroso Spark Plug Wires, Under Headers, HEI Cap, Ready-To-Install
    Moroso Spark Plug Wires, Under Headers, HEI Cap, Ready-To-Install
    x
                If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 7mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.
            
  • Moroso Spark Plug Wires, Under Headers, Socket Cap, Ready-To-Install
    Moroso Spark Plug Wires, Under Headers, Socket Cap, Ready-To-Install
    x
                If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 8mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.

    Note: Standard Cap = Socket-style Cap = Points-style Cap

  • Moroso Spark Plug Wires, Over Valves, Socket Cap, Ready-To-Install
    Moroso Spark Plug Wires, Over Valves, Socket Cap, Ready-To-Install
    x
                If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 8mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.

    Note: Standard Cap = Socket-style Cap = Points-style Cap

  • Red 7mm Solid Core Spark Plug Wire, 100 Ft.
    Red 7mm Solid Core Spark Plug Wire, 100 Ft.
    x
                

    Transparent red insulation on the cable allows you to actually see the woven wire core inside. Just trim to length and crimp on terminals. It readily accepts all normal boots and terminals available at local part stores, or use with Rajah ends.

    • Wire Diameter:  7mm
    • Wire Type:  Solid Core (Non-EMI Suppression)

    Not for use with multi-spark ignition boxes, such as MSD 6A or 6AL.

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 31359 8.5mm Spark Plug Wires Set, Chevy HEI, Over Valve Cover
    MSD 31359 8.5mm Spark Plug Wires Set, Chevy HEI, Over Valve Cover
    x
                

    The MSD 8.5mm Super Conductor Wire is "the" performance wire. Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of low resistance spark plug wire there is only 40 - 50 ohms of resistance! That is the lowest resistance of any helically wound wire.

    To accomplish this, MSD uses a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss in spark energy so more reaches the spark plug. The conductor is wound extremely tight around a special center core. So tight in fact, that there is over 40 feet of conductor wrapped into a single foot of plug wire. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference (EMI) "choke". This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. The outer sleeve that surrounds the conductor assembly is just as impressive. A proprietary blend of silicone and synthetic material produce a sleeve that is highly resistant to high heat as well as abrasion and tears.

    MSD Rebate (Link)

     

  • Taylor Cable 70255 8mm Spark Plug Wires, Straight, Resistor Core, Red
    Taylor Cable 70255 8mm Spark Plug Wires, Straight, Resistor Core, Red
    x
                Taylor 8mm Pro Wires are the ultimate in spark plug wires for racing and serious street machines. 
    • High grade silicone over silicone resists temperatures up to 600°
    • Color coordinated silicone boots add a touch of class
    • HEI boots have "Professional Grips" for easy on/off installation
    • Double spring locking spark plug terminals provide a firm grip
    • Resistor core for street applications
    • Universal fit for HEI or Socket style caps

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 5564 Street-Fire Spark Plug Wires, S/B Chevy, Stock Cap, Under Manifold
    MSD 5564 Street-Fire Spark Plug Wires, S/B Chevy, Stock Cap, Under Manifold
    x
                

    Street Fire spark plug wires have the quality you've come to expect from MSD Ignition at a price that's comparable to other brands. They feature spiral-wound, low-resistance conductors and high EMI suppression capabilities, all wrapped in simple, durable black sleeves and boots.  Fully assembled wires designed for S/B Chevys with points style stock socket cap. Routed under the headers.  

    • Helically wound conductor suppresses electro and radio noise
    • Kevlar core combination for great strength and durability
    • Heavy duty terminals for secure connection
    • 8mm silicone and synthetic jacket resists heat and abrasion
    • 500 Ohms per foot resistance for improved spark delivery and power
    • Silicone boots protect against high exhaust temps

    MSD Rebate (Link)

  • Accel 8023 8.8 Spiral Core Spark Plug Wires, HEI, Straight Boot
    Accel 8023 8.8 Spiral Core Spark Plug Wires, HEI, Straight Boot
    x
                

    Makes power, not static.  With today's mega-watt, ultra-sensitive car stereo systems, that means "hiss-free" high fidelity. Thanks to a special graphite-impregnated fiberglass conductor, ACCEL 8.8 wire has the structural integrity to handle the high performance that can cause other wires to self-destruct.  Yellow only.

    • Rated to 550 degrees F
    • 8.8mm yellow high temp silicone jacket
    • For race and street applications
    • 500 ohm/ft. RFI suppression
    • Red plug boots

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Taylor Cable 80605 8MM Spark Plug Wires Set Under Valve, 90  , Shielded SST
    Taylor Cable 80605 8MM Spark Plug Wires Set Under Valve, 90 , Shielded SST
    x
                The finishing touch for engines with braided lines and hoses! The SST features a 8mm spiral-wound conductor for maximum fire power without RFI, and Taylor’s 8mm 2-layer silicone jacketed wire for heat protection up to 550° Fahrenheit. 

    Competition look with custom fit for many applications featuring:

    • Braided, tin coated copper cover with blue silicone spark plug boots
    • No assembly required
    • Double spring locking spark plug terminals for firm grip
    • Grounding kit included

     

     

  • Taylor Cable 70655 8mm Spark Plug Wires, Straight, Resistor Core, Blue
    Taylor Cable 70655 8mm Spark Plug Wires, Straight, Resistor Core, Blue
    x
                Taylor 8mm Pro Wires are the ultimate in spark plug wires for racing and serious street machines. 
    • High grade silicone over silicone resists temperatures up to 600°
    • Color coordinated silicone boots add a touch of class
    • HEI boots have "Professional Grips" for easy on/off installation
    • Double spring locking spark plug terminals provide a firm grip
    • Resistor core for street applications
    • Universal fit for HEI or Socket style caps

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Four Hole Chrome Spark Plug Wire Holders, 5-1/4 Inch Tall
    Four Hole Chrome Spark Plug Wire Holders, 5-1/4 Inch Tall
    x
                

    Our chrome spark plug wire divider looms are universal fit and can be used with both stock height or tall valve covers. The chrome plated steel brackets include insulating grommet inserts which prevent crossfiring and extend wire life.

  • Shim-Dex Spark Plug Shims, 24 Pack
    Shim-Dex Spark Plug Shims, 24 Pack
    x
                These stackable spark plug shims rotate the ground of the spark plug at 30 degree intervals anywhere within 360 degrees so that you get the most out of your spark plugs without causing overheat and pre-ignition due to thread exposure.
    • Shim-Dex shims rotate the ground of the spark plug at 30 degree intervals anywhere within 360 degrees
    • You won't have to buy extra spark plugs to have them perfectly indexed
    • Shim-Dex shims are reusable many times over
    • Minimal or no thread exposure in the cylinder head that can overheat and cause pre-ignition
    • Shim-Dex shims are so thin they will not adjust the gap too far out of the combustion chamber and negatively affect performance
    • Pack includes 12 silver 60 degree shims and 12 black 90 degree shims

    Indexing Your Spark Plugs (PDF)

  • Taylor Cable 80601 8MM Shielded SST Ignition Spark Plug Wires Set, 90
    Taylor Cable 80601 8MM Shielded SST Ignition Spark Plug Wires Set, 90
    x
                The finishing touch for engines with braided lines and hoses! The SST features a 8mm spiral-wound conductor for maximum fire power without RFI, and Taylor’s 8mm 2-layer silicone jacketed wire for heat protection up to 550° Fahrenheit. 

    Competition look with custom fit for many applications featuring:

    • Braided, tin coated copper cover with blue silicone spark plug boots
    • No assembly required
    • Double spring locking spark plug terminals for firm grip
    • Grounding kit included

     

     

  • Accel 9000C Ceramic Spark Plug Wires, Straight, Extreme 9000, Universal
    Accel 9000C Ceramic Spark Plug Wires, Straight, Extreme 9000, Universal
    x
                

    Accel offers the cure for burnt spark plug wire boots with the Extreme 9000 Series Ceramic Wire kits. These 8mm spiral core spark plug wires have ceramic boots on the spark plug end of the wires which makes it impossible to melt or burn boots. If you are running headers with close tolerances, have an engine bay with little room or an RV with boots that melt because of heat, these wire kits are the answer for burnt and melting boots.

    • 8mm Ferro-Spiral EMI/RFI suppression core
    • 500 Ohms/ft resistance
    • Straight ceramic boots will withstand 2000° F
    • Stainless terminals
    • Includes ends for HEI (male) and socket (female) distributors

    Ceramic Wire Core Cut-A-Way (Link)

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Accel 8021 8.8 Spiral Core Spark Plug Wires, HEI, 90 Degree Boot
    Accel 8021 8.8 Spiral Core Spark Plug Wires, HEI, 90 Degree Boot
    x
                

    Makes power, not static.  With today's mega-watt, ultra-sensitive car stereo systems, that means "hiss-free" high fidelity. Thanks to a special graphite-impregnated fiberglass conductor, ACCEL 8.8 wire has the structural integrity to handle the high performance that can cause other wires to self-destruct.  Yellow only.

    • Rated to 550 degrees F
    • 8.8mm yellow high temp silicone jacket
    • For race and street applications
    • 500 ohm/ft. RFI suppression
    • Red plug boots

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Accel U-Groove Spark Plug, 14mm, 13/16 Hex, 3/8 Reach, Gasket Seat
    Accel U-Groove Spark Plug, 14mm, 13/16 Hex, 3/8 Reach, Gasket Seat
    x
                

    Accel's patented U-groove design provides a hotter spark and increased horsepower. 

    U-Groove Benefits:

    • More power to the wheels
    • Improved ignitability
    • Improved throttle response and fuel efficiency
    • Develops larger spark nucleus for improved combustion and reduced fouling 
  • Accel 9001C Extreme 9000 Universal Pro Fit Ceramic Spark Plug Wires Set
    Accel 9001C Extreme 9000 Universal Pro Fit Ceramic Spark Plug Wires Set
    x
                

    Accel offers the cure for burnt spark plug wire boots with the Extreme 9000 Series Ceramic Wire kits. These 8mm spiral core spark plug wires have ceramic boots on the spark plug end of the wires which makes it impossible to melt or burn boots. If you are running headers with close tolerances, have an engine bay with little room or an RV with boots that melt because of heat, these wire kits are the answer for burnt and melting boots.

    • 8mm Ferro-Spiral EMI/RFI suppression core
    • 500 Ohms/ft resistance
    • 90 degree ceramic boots will withstand 2000° F
    • Stainless terminals
    • Includes ends for HEI (male) and socket (female) distributors

    Ceramic Wire Core Cut-A-Way (Link)

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 31599 8.5mm Spark Plug Wires Set, S/B Chevy, Socket Cap, Under Headers
    MSD 31599 8.5mm Spark Plug Wires Set, S/B Chevy, Socket Cap, Under Headers
    x
                

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

     MSD Rebate (Link)

  • DEi 010409 Aluminized Heat Sheath Plug Wire Protector, 3/4 x 6 Inch
    DEi 010409 Aluminized Heat Sheath Plug Wire Protector, 3/4 x 6 Inch
    x
                Aluminized Plug Wire Sheaths are  constructed from high-temperature rated glass fiber material bonded to a  heat reflective aluminized material. Plug Wire Sheaths are an  inexpensive alternative for protecting specific areas on both ignition  wire and boot locations from damaging heat generating sources. 
    • Capable of withstanding 2000°F radiant heat
    • Inexpensive alternative for protecting ignition wires and boots
    • Other uses include protecting electrical wiring, harnesses, hoses, cables & more
    • Easy to install
    • 3/4" diameter x 6" long
    • 4 to a pack
  • Accel U-Groove Spark Plug, 14mm, 13/16 Hex, 3/8 Reach, Gasket Seat
    Accel U-Groove Spark Plug, 14mm, 13/16 Hex, 3/8 Reach, Gasket Seat
    x
                

    Accel's patented U-groove design provides a hotter spark and increased horsepower. 

    U-Groove Benefits:

    • More power to the wheels
    • Improved ignitability
    • Improved throttle response and fuel efficiency
    • Develops larger spark nucleus for improved combustion and reduced fouling 
  • Scott HEI 8.5mm Spark Plug Wires
    Scott HEI 8.5mm Spark Plug Wires
    x
                Scott Performance spark plug wires feature high-temp silicone plug boots with each cylinder numbered. Stainless steel spark plug terminals connect to wire-wound suppression cores, all wrapped in a 8.5mm silicone jacket. Wires are factory terminated for easy installation.
    • Fits S/B Chevy engine (under headers)
    • 8.5mm HEI Style
    • Comes with coil wire
    • Available in Red or Black
  • MSD 32813 8.5mm LS1 Black Spark Plug Wires Set
    MSD 32813 8.5mm LS1 Black Spark Plug Wires Set
    x
                

    The MSD 8.5mm Super Conductor Wire is "the" performance wire. Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 - 50 ohms of resistance! That is the lowest resistance of any helically wound wire.

    To accomplish this, MSD uses a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss in spark energy so more reaches the spark plug. The conductor is wound extremely tight around a special center core. So tight in fact, that there is over 40 feet of conductor wrapped into a single foot of plug wire. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference (EMI) "choke". This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. The outer sleeve that surrounds the conductor assembly is just as impressive. A proprietary blend of silicone and synthetic material produce a sleeve that is highly resistant to high heat as well as abrasion and tears. The MSD 8.5mm Super Conductor Plug Wire is available in Universal Kits.

    MSD Rebate (Link)

  • Accel 8020 8.8 Spiral Core Spark Plug Wires, Socket Cap, 90 Deg Boot
    Accel 8020 8.8 Spiral Core Spark Plug Wires, Socket Cap, 90 Deg Boot
    x
                

    Makes power, not static.  With today's mega-watt, ultra-sensitive car stereo systems, that means "hiss-free" high fidelity. Thanks to a special graphite-impregnated fiberglass conductor, ACCEL 8.8 wire has the structural integrity to handle the high performance that can cause other wires to self-destruct.  Yellow only.

    • Rated to 550 degrees F
    • 8.8mm yellow high temp silicone jacket
    • For race and street applications
    • 500 ohm/ft. RFI suppression
    • Red plug boots

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • MSD 5543 Street-Fire Spark Plug Wires Set, Ford 289-302 Socket
    MSD 5543 Street-Fire Spark Plug Wires Set, Ford 289-302 Socket
    x
                

    The Street Fire Spark Plug Wires feature a low resistance conductor that’s wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery.  These wires are for S/B Fords with a Socket style cap.

    • Helically wound conductor suppresses electro and radio noise
    • Kevlar core combination for great strength and durability
    • Heavy duty terminals for secure connection
    • 8mm silicone and synthetic jacket resists heat and abrasion
    • 500 Ohms per foot resistance for improved spark delivery and power
    • Silicone boots protect against high exhaust temps

    MSD Rebate (Link)

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