(9MMRBCU) - 8cyl DIY Unfinished Lead Set - Big Block RB Chrysler - HEI Cap
SKU: 69300382626

(9MMRBCU) - 8cyl DIY Unfinished Lead Set - Big Block RB Chrysler - HEI Cap

$127.46 $141.62
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

(9MMRBCU) - 8cyl DIY Unfinished Lead Set - Big Block RB Chrysler - HEI Cap8cyl DIY Unfinished Lead Set 9MMRBCU Mixed 90 & Straight Spark Plug Boots Suits Chrysler Big Block RB Engines (HEI Cap) Create your own custom ignition leads with the 9MMRBCU DIY Unfinished Lead Set, tailored for Chrysler Big Block RB engines. This kit features a combination of 90 degree and straight spark plug boots, offering flexible routing options to suit the unique layout of Mopar BB enginesespecially where exhaust clearance or plug angle varies

8cyl DIY Unfinished Lead Set – 9MMRBCU
Mixed 90° & Straight Spark Plug Boots | Suits Chrysler Big Block RB Engines (HEI Cap)

Create your own custom ignition leads with the 9MMRBCU DIY Unfinished Lead Set, tailored for Chrysler Big Block RB engines. This kit features a combination of 90-degree and straight spark plug boots, offering flexible routing options to suit the unique layout of Mopar BB engines—especially where exhaust clearance or plug angle varies between cylinders.

Lead lengths in this kit are:

1 x 700mm, 1 x 800mm, 1 x 900mm, 1 x 1000mm, 1 x 1100mm, 1 x 1200mm, 1 x 1300mm, 1 x 1400mm - with the coil lead at 900mm

Built for serious performance, every component in the kit is engineered for reliability and maximum spark energy.

  • Spiral wound copper alloy core with ultra-low resistance of 100 ohms per metre
  • Delivers maximum spark energy and extended spark duration for improved engine performance
  • Built-in RFI suppression to protect sensitive electronics
  • All boots made from extreme temperature silicone to withstand high-heat environments
  • Premium stainless steel “Snap Lock” terminals for spark plug, cap, and coil connections
  • Includes numbered lead markers and an easy-to-use installation tool for accurate fitment and lead routing
  • 3 Year Warranty

Available in Black, Red or Blue with our signature 100 ohms-per-metre spiral wound copper alloy core.

 

Note: To suit MALE cap. For lead sets to suit FEMALE caps, please see our other listings. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 69300382626

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timothy scalabrelli
Chelsea, US
★★★★★ 4
Comfortable
Size: 9, Color: Black/Ivory
Most comfortable and roomy shoes I ever wore. Great for insoles. Looks nice too. The base of the shoe is a bit too thick but it’s fine.
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Reviewed in the United States on September 5, 2025
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BBZ
Dallas, US
★★★★★ 5
Very nice, but sizing is inconsistent
Size: 10 Wide, Color: Ivory/White/British Tan
All of these Cole Haan shoes are extremely well made and I like the styling. On the other hand, the sizing is very inconsistent and you may end up having to do a lot of returns trying to find the right size. Then if you get a different color of it, you may find the sizing different yet again. If you find your right zie, they are really nice shoes at a very reasonable price for the quality.
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Reviewed in the United States on February 6, 2026
L
Verified Purchase
Lofidelityrockr
Lake Worth, US
★★★★★ 5
I love this brand. These shoes look and fit great!
Size: 13 Wide, Color: Black/White/Black
I love wearing Cole Haan shoes. This is the second pair I’ve owned and the style just gets me. I’ve worn these to work at a great professional job every day, not just casual Friday. I wear these when I head out shopping or to dinner. They are functional, comfortable, built for regular and bigger wider feet and comfortable. I am 6 feet tall and my feet have changed size over the years to me needing a wider shoe to relieve pressure on my toes and front wide porting of my foot. So the 13W feels great and still walks the same as a regular 14 but more comfort for me. They look amazing and qualify in some offices as dress shoes (depending on company rules they will justify a sneaker as a shoe with the tan colored “gum” sole as a sneaker) so check company policy. The black sole on this makes it look more dressy. I am switching out the laces to match my previous Cole Haan because I think the white shoelaces look better. As an adult, aside from my Kenneth Cole boots Reaction boots and Doc Marten’s these are the only shoes I will pay 3 digits for. This looks like skater shoes but with a more mature look.
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Reviewed in the United States on December 19, 2025
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BWolfeJR
Lake Worth, US
★★★★★ 5
I am certainly glad I found them and finally ordered
Size: 10, Color: Ivory/White/British Tan
A bit bulkier than my Stan Smiths Leather versions, but actually more comfortable. They seem to be a bit "clunkier" looking than a streamline Stan Smith, but it's a matter of style. It works for a change of pace. Gets or picks up dirt a bit, but cleans well, except the canvas part. Has lasted almost 6-8 months with very little signs of wear. Feels very secure in any type of weather or condition. Great alternative or addition to having a pair of Stan Smiths.
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Reviewed in the United States on May 12, 2026
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Rilind
Port Orchard, US
★★★★★ 5
Amazing shoes
Size: 10.5 Wide, Color: Black/White/Black
Amazing shoes
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Reviewed in the United States on May 31, 2026

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