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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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4.4 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 3
Not Quite So Durable...
Color: B) Medium 3" Ball, Color: B) Medium 3" Ball
Maybe I have a SUPER aggressive chewer...he went through this ball in under a week. I originally bought the ball because of a review that stated the owner's Pitbull had the same ball for two years; not so much for my Rottweiler. He started chewing off and swallowing small crumbs from the ball within a day or two. By the end of the week, it was chunks so I had to toss it in the trash to prevent an intestinal obstruction. On the up side, my Rottweiler LOVED the ball while it lasted. However, I can't, in good conscience, give this ball a rave review based on this experience. Please take this review with a grain of salt as I have yet to find ANY toy that my boy won't DESTROY in a week or two. I hope that someone finds this informative when searching for chew toys for SUPER aggressive chewers like mine.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
My puppy’s favorite
Color: Orange
Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage.
Is colorful and my become my puppy’s favorite.
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Reviewed in the United States on March 1, 2026
★★★★★ 1
If you love your dog…don’t buy this.
Color: Orange
We have a nonaggressive English cocker. She opened the ball every time she played with it. And yes, we are closing it as hard as we can. I do not recommend this toy for any dog! This is a dangerous toy for a dog that is not supervised.
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Reviewed in the United States on March 16, 2026
★★★★★ 4
Keeps your dog busy
Color: Blue
Good toy to keep your dog busy. Make sure you check it periodically to ensure it stays together.
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Reviewed in the United States on April 3, 2026