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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
MSD 31233 8.5mm Super Conductor Spark Plug Wire SetOverview: Routing spark plug wires is an art form. It takes patience and time to route your wires away from the headers, through separators and to the distributor cap. Some wire sets fit perfect, but a lot of people want to build their own so they can route them exactly how they see fit. Our Universal spark plug wire sets come with the spark plug terminal and boot installed with the other end open. Distributor cap boots and terminals are included so
Overview:
Routing spark plug wires is an art form. It takes patience and time to route your wires away from the headers, through separators and to the distributor cap. Some wire sets fit perfect, but a lot of people want to build their own so they can route them exactly how they see fit.
Our Universal spark plug wire sets come with the spark plug terminal and boot installed with the other end open. Distributor cap boots and terminals are included so you can cut the wire to the desired length, then install the terminal with the supplied Mini-Stripper-Crimper. It's a little more work, but in the end it will be worth it.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1967 - 1968 | GMC | C15/C1500 Pickup | 4/8 V | |
| 1967 - 1968 | GMC | C15/C1500 Suburban | 4/8 V | |
| 1967 - 1968 | GMC | C25/C2500 Pickup | 4/8 V | |
| 1967 - 1968 | GMC | C25/C2500 Suburban | 4/8 V | |
| 1967 - 1968 | GMC | C35/C3500 Pickup | 4/8 V | |
| 1967 | GMC | G15/G1500 Van | U/K/8 V | |
| 1967 | GMC | G25/G2500 Van | U/K/8 V | |
| 1967 - 1968 | GMC | K15/K1500 Pickup | 4/8 V | |
| 1967 - 1968 | GMC | K25/K2500 Pickup | 4/8 V | |
| 1968 | GMC | C15/C1500 Pickup | U/K/8 V | |
| 1968 | GMC | C15/C1500 Suburban | U/K/8 V | |
| 1968 | GMC | C25/C2500 Pickup | U/K/8 V | |
| 1968 | GMC | C25/C2500 Suburban | U/K/8 V | |
| 1968 | GMC | C35/C3500 Pickup | U/K/8 V | |
| 1968 | GMC | K15/K1500 Pickup | U/K/8 V | |
| 1968 | GMC | K15/K1500 Suburban | 4/8 V | |
| 1968 | GMC | K15/K1500 Suburban | U/K/8 V | |
| 1968 | GMC | K25/K2500 Pickup | U/K/8 V | |
| 1968 | GMC | K25/K2500 Suburban | 4/8 V | |
| 1968 | GMC | K25/K2500 Suburban | U/K/8 V | |
| 1968 | GMC | K35/K3500 Pickup | 4/8 V | |
| 1968 | GMC | K35/K3500 Pickup | U/K/8 V | |
| 1975 - 1976 | Chevrolet | G10 | 4/8 V | |
| 1975 - 1986 | Chevrolet | G20 | Beauville | 4/8 V |
| 1975 - 1986 | Chevrolet | G20 | Chevy Van | 4/8 V |
| 1975 - 1986 | Chevrolet | G30 | Beauville | 4/8 V |
| 1975 - 1986 | Chevrolet | G30 | Chevy Van | 4/8 V |
| 1975 - 1986 | Chevrolet | G30 | Hi-Cube | 4/8 V |
| 1981 - 1986 | Chevrolet | G10 | Sportvan | 4/8 V |
| 1981 - 1985 | Chevrolet | G20 | 4/8 V | |
| 1981 - 1986 | Chevrolet | G30 | Sportvan | 4/8 V |
| 1983 - 1984 | Chevrolet | G30 | Bonaventure | 4/8 V |
| 1986 | Chevrolet | G10 | Bonaventure | 4/8 V |
| 1986 | Chevrolet | G20 | Sportvan | 4/8 V |
Specs:
| Application | Universal V8 |
|---|---|
| Boot Material | Silicone |
| Brand | MSD |
| Color | Black |
| Core | Copper |
| Emission Code | 5 |
| Product Type | Spark Plug Wire |
| Resistance | 40-50 Ohms Per Foot |
| Spark Plug Boot Angle | 90 Degree |
| Warning | California Proposition 65 |
| Warranty | Limited 1 Year Warranty |
| Wire Diameter | 8.5mm |
| Wire Series | 8.5 Super Conductor |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1194 reviews
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Product Reviews
★★★★★ 4
Body pillow covers
Color: White, Size: Body（20"X 54"）
I ordered the body pillow covers. They fit my pillow perfectly and the fabric is smooth and silky, but I did not find them cooling.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Cooling King-Size Pillows (used on a Queen pillows to tuck the extra in)
Color: Navy Blue, Size: 2 Pack King（20"X 36"）, Color: Navy Blue, Size: 2 Pack King（20"X 36"）
🛏️ Product Review: Cooling King-Size Pillows (used on a Queen bed)
⭐ The Good
• These are king-size pillows, which I actually love on a queen bed because I can tuck the ends into the fabric.
• The fabric feels slick and cool, but you don’t slip off of it.
• They feel cold to the touch right out of the package (which is wild).
• I sleep extremely hot and even run fevers at night due to a medical condition (literally 101–102° sometimes), and these pillows still stay cool where I lay my head.
• I’ve honestly never slept this well in my life.
• For the price, you cannot beat them, and they go on sale often.
• These beat any high-end version I’ve tried.
• If you sleep normal-temp and not lava-hot like me, you’re going to be VERY comfortable with these.
⚠️ The Bad
• The fabric does show crease lines.
• If wrinkles bother you, this might annoy you (doesn’t bother me personally).
🔧 What I’d Change / Tips for Care
• Don’t use fabric softener — it clogs the cooling fabric and ruins how it works.
• Wash with unscented detergent + a little vinegar.
• Dry on low heat only (do NOT dry on high if you want the fabric to keep working long-term).
✅ Final Thoughts
I will literally never not own these again.
If you sleep hot, night-sweat, or just want a pillow that actually stays cool — these are it.
10/10 recommend.
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Reviewed in the United States on February 17, 2026
★★★★★ 3
Love it but it stains
Color: Haze Blue, Size: 2 Pack Standard（20"X 26"）
I love these but had to knock some stars down for a single reason. They are soft, the material is somehow both substantial and airy at the same time, and a smooth, silky (not satin), cozy texture. The color was exactly as pictured. The envelope style works great to keep my pillows covered. The fabric lays perfectly. I love sleeping on this pillow case.
Took two stars off because every single atom of oil on my face stained it immediately and won't come out in the wash. Its not subtle. You can see anywhere my face has been, forever. I don't have some incredibly oily face or hair, I've never had this happen to another pillow case in my life.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Good buy
Color: Navy Blue, Size: Body（20"X 54"）
Nice and soft , well packaged and looks good. Kinda pillowcase you find in a luxury hotel
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Silky and Soothing
Color: Cream, Size: 2 Pack Queen（20"X 30"）
I thought I was getting 1 of the queen sized but I got 2. I got these for my Pomeranian's fuzzy pillow. He's always hot and these are very cooling and very good quality. He loves them and are very comfortable for him. They totally transformed his shaggy old pillow. I used the larger body pillow covers to replace the covers I had. They matched my bedspread perfectly. I use 2 body pillows along the exterior wall in my bedroom where there is cold coming through the floor in the winter. I'm sure I will enjoy them in the summer when it's hot too!
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Reviewed in the United States on January 10, 2026