[Set of 8] HKS 50003-M40i Super Fire Racing Iridium Spark Plugs Heat Range #8

70after Performance Parts
(39973)
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US $206.88
ApproximatelyRM 850.75
Condition:
New
More than 10 available2 sold
Breathe easy. Free shipping and returns.
Popular item. 2 have already sold.
Shipping:
Free USPS Ground Advantage®.
Located in: Los Angeles, California, United States
Delivery:
Estimated between Fri, 12 Dec and Tue, 16 Dec to 94104
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Returns:
30 days return. Seller pays for return shipping.
Coverage:
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eBay item number:254773878278
Last updated on Jul 24, 2025 07:13:27 MYTView all revisionsView all revisions

Item specifics

Condition
New: A vehicle is considered new if it is purchased directly from a new car franchise dealer and has ...
California Prop 65 Warning
Cancer, Birth Defects and Reproductive Harm
Type
Spark Plug
Heat Range (NGK)
8
Manufacturer Part Number
50003-M40i
Heat Range (Denso)
24
Thread Size
14x19mm
Wrench Size
16mm
Spark Plug Type
ISO Type
Brand
HKS
Fitment Type
Performance/Custom
UPC
Does not apply
Category

Item description from the seller

About this seller

70after Performance Parts

99.5% positive feedback•154K items sold

Joined Feb 2010
Usually responds within 24 hours
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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  • i***a (394)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item as described. Well packaged. No issues after install. Seller shipped quickly but Item took awhile to arrive to US Overseas despite priority shipping though no fault of the seller. Prompt replies to my questions. Would order from this seller again. Thanks.
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  • _***n (238)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Exactly as described with reasonable prices 👍 and with excellent super fast shipping service too wow 🤩 because they were ordered on 9/15/25 and were delivered 9/16/25 👍 will be installing these Mickey Thompson slicks ASAP on my Camaro SS ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ very happy and pleased with this purchase 👍 I highly recommend this seller 👍
    [2x] Mickey Thompson ET Street R 28X11.50-17LT DOT Street Legal Drag R2 (#256115324550)
  • 7***o (644)- Feedback left by buyer.
    Past month
    Verified purchase
    Wonderful product bundling, insanely fast shipping as I had this in two days. Great price, and decently packed for shipping. Great seller
    [Case of 4] Red Line Full Synthetic GL5 75W-90NS Gear Differential Oil 1 Gallon (#257108945633)
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