Stock Heat - Pack of (6)_ HalferLand Performance Honda J-Series Stock Replacement Iridium Spark Plugs (Heat Range 6, To Replace NGK, Denso ) (FREE SHIPPING)

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Your Price: $42.95
Retail Price:$55.99
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IN STOCK - READY TO SHIP !!!!!
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Part Number:HP-PER-STK-IRIDIUM-2

Feature:

Most Affordable Performance Plug on the Market

Feature:

Perfect for Stock or High HP Bolt On motors up to 350whp

Feature:

Stock (Heat 6) Plug and Play - High Quaility/Affordable NGK/Denso Replacement

Feature:

5 Year Manufacturer Warranty on any defects (Daily Driven Motors ONLY, Not Race Motors!)

Feature 5

Designed by HalferLand Performance Products
HalferLand Performance
_Stock Replacement Iridium Plugs_
*Perfect for Stock/NA/Bolt On motors from 220-350whp* 



Gen 1 and Gen 2 J-Series Engines ONLY
Gen 1 = J30a1, J32a2, J35a1-a4
Gen 2 - J30a4-5, J32a3, J35a5-a8, J37a1


PACK OF (6) 
 (Package will contain (6) Individual Spark Plugs)

Product Description

When it comes to performance, every aspect of the motor and setup plays a huge role in whether the vehicle will be reliable or if it will be plagued with issues. Sparks Plugs are one of the key factors in the motors overall health and ability to function. With that in mind we set out to once again, as we do with all of our HalferLand Performance Products, to find the best Performing Spark Plug we could design, at a more affordable price then currently on the market. We have worked with the manufacture from the ground up applying tried and true methods to the plug such as our Tapered Platinum Strap, Fine Wire Iridium Electrode and High Temp Ceramic Insulator body. To be sure you're Spark Plugs are set up to the best specification, please refer to our Spark Plug Gapping chart below. All of our plugs (Including these Stock Heat Plugs) come PRE-GAPPED with the standard OEM Honda Gap of .030". If you're using these for a higher HP NA motor (300whp+) the plug will need to be gapped by the end customer for their particular HP and setup. Our spark plugs Heat Range is based off the NGK formula, the higher the number the colder the plug is (these are heat range 6,  stock heat is 6, If Heat 8 that would be -2 steps colder)..... NGK is a tried and true spark plug, so we used the same general theme of their plug, adding in our subtle yet effective improvements (IE. Our Iridium Strap), all the while our cost coming in at more then 25% lower then most Iridium Spark Plugs on the market!!! 
(If you have a Boosted motor, please check out our "-2 Step Colder Ultra Performance" Heat 8 Spark Plug in our "Tuning_ECU_Electronics" Category of the store for that listing)



HalferLand Performance Spark Plug Gap Chart 
(These specs will vary, it's best to consult with your engine builder if unsure about your situation!!!). These specs are in place to guide you as a general rule of thumb and is NOT the "Rule All" specs. We are not liable for any mishaps from our data being used. General Rule is if you're getting Spark Blow Out, you need to gap down your plugs as the air is blowing the spark out. 

Motor Type & HP  Compression   Suggested Heat Suggested Gap
NA - Up to 325WHP

Up to 11:1    Heat 6 (Stock) Stock .028-.030"
NA or Boost - 325-450WHP 10:1 - 11:1   Heat 7 (-1 step colder) .022"-.028"

NA or Boost - 325-450WHP

11.5:1 - 13:1
 
Heat 7/8 (-1 or -2 Step Colder)

.022"-.025"
 
Boost - 500-700WHP

10:1 - 11:1
 


Heat 8 or 9 (-2 or -3 Step Colder)

.015"- .018"

 Boost - 500-700WHP

11.5:1 - 13:1
 
Heat 9 or 10 (-3 or -4 Step colder)
.015"- .018"
         
         
Consult Builder at this Level!!        
Boost 750WHP - 850WHP  10:1 - 11:1   Heat 9 or 10 (-3 to -4 Step colder) .010" - .015"

Boost 750WHP - 850WHP 
11.5:1 - 13:1   Heat 10 (-4 Step colder) .010" - .015"

850 - 1000WHP +++   
YOU SHOULD KNOW   WHAT YOUR MOTOR WANTS AT 1000WHP+ LOL

Shell

  • Thread Size: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Gasket
  • Resistor Value: 5K Ohm
  • Reach: 19mm (3/4")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Solid
  • Overall Height: ISO
  • Gap: .031" (0.8mm)

Center Electrode

  • Material: Iridium
  • Type: Fine Wire
  • Size: 0.6mm
  • Projection: Projected

Ground Electrode

  • Material: Nickel
  • Type: Standard
  • Shape: Taper Cut
  • Quantity: 6

Specifications

  • Warranty: 1 Year (Limited to Defects in Daily Driven Motors.  NO RACE MOTORS)
  • Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
  • Brand: HalferLand Performance
  • Heat Range: 8
  • Longevity: 50k Miles
  • Resistor: Yes
5 Stars
Went in perfect
Perfect fit. Cheaper then stock replacements and working perfect. Great oem or Na spark plug
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from NJ. on 10/24/2019
5
5 Stars
A+
A+ . Full bolt on 8th gen. Installed went as norm. Car feels better then before. Also love your Youtube channel. Keep up the great work bud
Did you find this helpful?  2 of 3 Found Helpful
Reviewed by:  from Odessa FL. on 9/4/2019
5
5 Stars
what I needed
Exactly what I needed for my acura cl type s
Did you find this helpful? 
Reviewed by:  from Clearfield. on 5/26/2020
5

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