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Description
MSD 8.5mm Super Conductor Spark Plug Leads 90deg Boot V8 Universal # MSD31233MSD 8. 5mm Super Conductor Spark Plug Leads 90deg Boot V8 Universal # MSD31233 Spark Plug Wires, Super Conductor, Spiral Core, 8. 5mm, Black, 90 Degree Boots, Universal, L8 V8, Set Assembled: No Distributor Terminal Ends: Male HEI and Female Socket Distributor Boot Color: Gray Distributor Boot Material: Silicone Spark Plug Boot Ends: Eight 90 degree Spark Plug Boot Color: Gray Spark Plug Boot Material: Silicone Wire Color: Black Diameter (mm): 8. 50mm
MSD 8.5mm Super Conductor Spark Plug Leads 90deg Boot V8 Universal # MSD31233Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, Universal, L8/V8, Set
Assembled:No
Distributor Terminal Ends:Male/HEI and Female/Socket
Distributor Boot Color:Gray
Distributor Boot Material:Silicone
Spark Plug Boot Ends:Eight 90 degree
Spark Plug Boot Color:Gray
Spark Plug Boot Material:Silicone
Wire Color:Black
Diameter (mm):8.50mm
RFI Suppression:Yes
Coil Wire Included:Yes
Conductor Style:Spiral core
Spark Plug Wire Resistance:50 ohms/ft.
Quantity:Sold as a set.
Notes:Includes vice mount wire crimping tool.
MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per footbut with an RFI suppression equal to a 1,500 ohm wire. In fact, each foot of finished wire includes 40 ft. of tightly wound copper for superior conductivity. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference "choke." This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. A tough, 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. Underneath the high-temperature boots, dual crimp stainless steel terminals feature snap-locks to ensure a secure fit. Each set comes with clip-on cylinder markers for easy identification. MSD's 8.5mm Super Conductor wire sets are available in custom or universal-fit applications.
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4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Convenient and good quality.
Color: Black, Size: 6FT
This is a really great charger, super fast charging. We are happy with it.
It was simple to install in the end table at the end of the couch, as opposed to behind the it. Much more convenient location for a charging station and electrical outlet than behind the couch.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
SemiPerfect for gun safe
Color: Black, Size: 10FT
Bought for gun safe. I made a custom install using one of the bolt down holes up front and a wood box from crate. Had to cut cord and use an approved Wago connector. Enough spacing for wall warts to power lights, dehumidifier and fanless computer.
65W total. It can only provide full 65watts if one USB-C ports is used.
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Reviewed in the United States on February 24, 2026
★★★★★ 1
Does not charge more than one device at a time…
Color: Black, Size: 10FT
Does not charge more than one device at a time. I have a USB C to charge my iPhone. If I connect any other USB type plug into the socket, my iPhone will disconnect from charging. I’ve also tried this with my Apple Watch and it disconnects from charging as well.
I know it does not charge more than one device at 65W, but it should be able to charge more than one device at a time. It has two USB ports and two USB C ports.
Maybe this one is defective?
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Gan power works exactly as it should A+
Color: Black, Size: 6FT
These are exactly what I needed & are working absolutely amazingly. Still very early in life span but will post an update
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Reviewed in the United States on December 15, 2025
★★★★★ 5
Perfect for needs
Color: Black
Bought as gift for son and he researches everything. He loves it and it met his needs perfectly
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Reviewed in the United States on May 4, 2026