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  • VIDEO
  • JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic
  • 10.5mm Spark Plug Wire SetJDMSPEED Auto Parts

JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic

4.4 out of 5 stars (3,373)
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About this item

  • AFTER MARKET HIGH PREMIUM QUALITY
  • 10.5mm Racing Spark Plug Wires
  • Universal Set For SBC & BBC Chevrolet Engines
  • Ready for Install Straight out of the box
  • Please make sure to check fitment below!!
› See more product details

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Product information

Technical Details

Manufacturer ‎JDMSPEED
Part number ‎SBC350
Item Weight ‎1.14 kg
Product Dimensions ‎26 x 6.5 x 19.5 cm; 1.14 kg
Item model number ‎SBC350
Is discontinued by manufacturer ‎No
Colour ‎Red
Material ‎Copper
Item Package Quantity ‎1
Batteries Included? ‎No
Batteries Required? ‎No
Length ‎26 Centimetres
Width ‎6.5 Centimetres
Height ‎19.5 Centimetres

Additional Information

ASIN B06XC2ZX63
Customer Reviews
4.4 out of 5 stars (3,373)

4.4 out of 5 stars
Â鶹Çø Rank
Date First Available March 13 2017

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JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic

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Product Description

JDMSPEED

One Set Spark Plug Wire with JDMSPEED Brand

  • 10.5mm High Performance Racing Spark Plug Wires
  • Universal Set Replacement For SBC & BBC Chevrolet Engines
  • Electronic Ignition HEI Plug Wires, 90 Degree Boots on Both Ends
  • Get more Spark to your Plugs with a set of High Performance Ignition Wires

10.5mm Racing Spark Plug Wires

Ready for Install Straight out of the box

  • These 10.5mm wires feature high-temperature 100% pure silicone insulator outer layer
  • Spiral-Wound Copper Conductor has Extremely Low Resistance combined with extremely high EMI suppression
  • These Performance wires deliver the highest possible energy to the spark plugs so that your ignition upgrades reach their full potential, without creating interference for onboard electronics
  • The wires have a high dielectric strength insulator and heavy glass braid, topped with heavy-duty silicone jackets and high-temperature black boots to resist damage from heat and abrasion

Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 26 x 6.5 x 19.5 cm; 1.14 kg
  • Date First Available ‏ : ‎ March 13 2017
  • Manufacturer ‏ : ‎ JDMSPEED
  • ASIN ‏ : ‎ B06XC2ZX63
  • Item model number ‏ : ‎ SBC350
  • Country of origin ‏ : ‎ China
  • Department ‏ : ‎ unisex-adult
  • Â鶹Çø Rank: #9,201 in Automotive (See Top 100 in Automotive)
  • Customer Reviews:
    4.4 out of 5 stars (3,373)

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Customer reviews

4.4 out of 5 stars
3,373 global ratings

Customers say

The cable assembly receives positive feedback for its quality, with customers expressing satisfaction and describing it as a good product. The functionality performs well, with users reporting it works very well and runs properly. The appearance looks great according to customer reviews. However, the cable length presents challenges, as customers find the lengths are ridiculously long and describe them as super long wires. Customers have mixed opinions regarding the fit of the product.
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39 customers mention quality, 31 positive, 8 negative
Customers generally express satisfaction with the quality of this cable assembly. They describe it as a nice set and mention being very happy with the quality of the plug wires. However, one customer considers it absolute junk, indicating mixed experiences with the product's overall quality.
Great quality...Read more
Good quality and good price...Read more
Very good qualityRead more
Bought these for a marine application, wires seem very well made and thick at 10.5mm.Read more
27 customers mention functionality, 19 positive, 8 negative
Customers report that the cable assembly functions very well and provides effective performance. The product clears up engine misfires promptly and offers a great boost to spark dependability. Users find the cap clip quite effective, and overall the engine runs well after installation.
Work great!...Read more
These cables cleared up my engine miss promptly when other cables did not. Very pleased.Read more
...wire is to small ,i can stretch it over but ran my car and it popped out car quit.....no good for drag racing...Read more
...However the engine ran will with this wires installedRead more
14 customers mention appearance, 14 positive, 0 negative
Customers find the cable assembly visually appealing, noting that it looks great.
They look great but haven't yet got the engine installedRead more
Did the job and looks good toRead more
Wires were as described and look good, they connected to the spark plug end will put kept coming loose on the HEI Distributor as this was an...Read more
Look nice,great price and fast shipping.Read more
20 customers mention fit, 9 positive, 11 negative
Customers have mixed experiences with the cable assembly's fit. Some find it fits well and is easy to install with straightforward routing. However, others report that it did not fit their truck, with some cable ends not snapping onto distributors or not fitting on HEI systems.
Price was good but they are not really made for my vehicle. Ends are loose on plugs and came with high tension wire but I have hei distributor.Read more
Overall good experience with the product, end have a good grab on the posts for the distributor and spark plugs....Read more
All cables super long or super short no in between, definitely doesn¡¯t fit my SBC, cable ends don¡¯t fit on my HEI and just pop off....Read more
No conplaintsRead more
25 customers mention cable length, 3 positive, 22 negative
Customers have mixed opinions about the cable assembly's length. Some find the lengths ridiculously long and super long wires that are longer than needed, while others consider them too long for specific applications like 305 tpi. However, some customers also mention the wires being super short, and note that the coil end of wire is too small.
Wires are to long and cant stand up to the heat from headers, even with heat socks on a 350 SBC, Burnt off 2 boots in 1 hour...Read more
...Only downside is the wires were a little long for my SBC 350, so it just took some creative routing to eat up the extra.Read more
Wires look great except coil wire ,, coil end of wire is to small ,i can stretch it over but ran my car and it popped out car quit.....no good for...Read more
...as this was an aftermarket unit it may be the terminals are not standard size. However the engine ran will with this wires installedRead more
Work great!
5 out of 5 stars
Work great!
Using with Msd ignition on my sbf. They are very long but this is a good thing.
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Top reviews from Canada

  • mario
    5.0 out of 5 stars satisfait tres bon produit
    Reviewed in Canada on December 11, 2025
    Verified Purchase
    installe sur corvette 1973 depuis 1 an fonctionne tres bien raport qualite prix exelente
    Helpful
     Report
  • Terry Shepherd
    5.0 out of 5 stars Very good product
    Reviewed in Canada on June 27, 2025
    Verified Purchase
    Excellent product fits great
    Helpful
     Report
  • colin mceachern
    4.0 out of 5 stars Fit well, slightly long, but better then to short.
    Reviewed in Canada on September 8, 2025
    Verified Purchase
    Overall good experience with the product, end have a good grab on the posts for the distributor and spark plugs. Only downside is the wires were a little long for my SBC 350, so it just took some creative routing to eat up the extra.
    Customer image
    colin mceachern
    4.0 out of 5 stars
    Fit well, slightly long, but better then to short.

    Reviewed in Canada on September 8, 2025
    Overall good experience with the product, end have a good grab on the posts for the distributor and spark plugs. Only downside is the wires were a little long for my SBC 350, so it just took some creative routing to eat up the extra.
    Images in this review
    Customer image
    One person found this helpful
    Helpful
     Report
  • spencer king
    5.0 out of 5 stars Nice
    Reviewed in Canada on November 1, 2024
    Verified Purchase
    Did the job and looks good to
    Helpful
     Report
  • David B Naugle
    5.0 out of 5 stars Great quality
    Reviewed in Canada on December 25, 2024
    Verified Purchase
    Hot rod
    Helpful
     Report
  • Britt
    5.0 out of 5 stars Work great!
    Reviewed in Canada on August 29, 2024
    Verified Purchase
    Using with Msd ignition on my sbf. They are very long but this is a good thing.
    Customer image
    Britt
    5.0 out of 5 stars
    Work great!

    Reviewed in Canada on August 29, 2024
    Using with Msd ignition on my sbf. They are very long but this is a good thing.
    Images in this review
    Customer image
    Helpful
     Report
  • Josh
    1.0 out of 5 stars Junk cables
    Reviewed in Canada on May 18, 2025
    Verified Purchase
    All cables super long or super short no in between, definitely doesn¡¯t fit my SBC, cable ends don¡¯t fit on my HEI and just pop off. Spend a bit more and upgrade to a set of accel cables like I did you won¡¯t regret it.
    One person found this helpful
    Helpful
     Report
  • g
    5.0 out of 5 stars Hi quality, exactly as shown
    Reviewed in Canada on July 28, 2024
    Verified Purchase
    Bought these for a marine application, wires seem very well made and thick at 10.5mm.
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • katu
    4.0 out of 5 stars 10.5mm¥Ï¥¤¥Ñ¥Õ¥©©`¥Þ¥ó¥¹ ¥¹¥Ñ©`¥¯¥×¥é¥° ¥ï¥¤¥ä©`¥»¥Ã¥È
    Reviewed in Japan on December 19, 2022
    Verified Purchase
    ÉÌÆ·Êܤ±È¡¤ê¤Þ¤·¤¿¡£
    Report
  • Â鶹Çø Customer
    4.0 out of 5 stars Appear to be of very good quality
    Reviewed in the United Kingdom on November 24, 2021
    Verified Purchase
    Well made , quality material and they look good
    Report
  • Ivan diaz olivas
    5.0 out of 5 stars Buena compra
    Reviewed in Mexico on November 2, 2025
    Verified Purchase
    Son de excelente calidad y ajustaron perfecto
    Customer image
    Ivan diaz olivas
    5.0 out of 5 stars
    Buena compra

    Reviewed in Mexico on November 2, 2025
    Son de excelente calidad y ajustaron perfecto
    Images in this review
    Customer image
    Report
  • Jason
    5.0 out of 5 stars Look great
    Reviewed in the United States on February 10, 2026
    Verified Purchase
    Very well made
    Report
  • Cameron Mowbray
    5.0 out of 5 stars Good gear
    Reviewed in Australia on August 30, 2020
    Verified Purchase
    Excellent perfect for my hei and plugs on my 5.7 merc
    Report
See more reviews

Product Summary: JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic

From JDMSPEED

4.4 out of 5 stars, 3,373 ratings

Customer reviews

50+ viewed in past week

Price

No featured offers available

Other sellers

Other sellers

About this Item

  • AFTER MARKET HIGH PREMIUM QUALITY
  • 10.5mm Racing Spark Plug Wires
  • Universal Set For SBC & BBC Chevrolet Engines
  • Ready for Install Straight out of the box
  • Please make sure to check fitment below!!

Product description

One Set Spark Plug Wire with JDMSPEED Brand 10.5mm Racing Spark Plug Wires Universal Set For SBC & BBC Chevrolet Engines Electronic Ignition HEI Plug Wires, 90 Degree Boots on Both Ends Get more Spark to your Plugs with a set of Ignition Wires These 10.5mm wires feature high-temperature 100% pure silicone insulator outer layer! Spiral-Wound Copper Conductor has Extremely Low Resistance combined with extremely high EMI suppression These Performance wires deliver the highest possible energy to the spark plugs so that your ignition upgrades reach their full potential, without creating interference for onboard electronics. The wires have a high dielectric strength insulator and heavy glass braid, topped with heavy-duty silicone jackets and high-temperature black boots to resist damage from heat and abrasion
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