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NGK 4085 Iridium IX Spark Plug

(Oldsmobile Cutlass 1962-63, Jetfire 1962; Buick Skylark 1961-62; Triumph Spitfire 1963-67, TR3A 1960-61, TR4A 1965-67, TR4 1962-64, TR3B 1962 + 61 more models)

Manufacturer

Picture for manufacturer NGK Spark Plugs

Part Number

4085
8 reviews
Sale Price

$7.92

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The NGK 4085 Iridium IX spark plug delivers superior ignition performance and extended service life for automotive applications. Featuring a fine-wire iridium center electrode, this plug provides better throttle response, improved fuel efficiency, and more stable combustion compared to traditional copper or platinum plugs.

Key Features:

  • Iridium center electrode for maximum durability and performance
  • Fine-wire design concentrates spark energy for more efficient combustion
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover and improve ignition reliability
  • Longer service life compared to standard copper spark plugs
  • OE-quality construction meets or exceeds original equipment specifications

NGK Iridium IX plugs are engineered to provide reliable performance across a wide range of operating conditions. The ultra-fine 0.6mm iridium center electrode requires lower voltage to fire, reducing stress on ignition components while delivering a more powerful spark. Backed by NGK's decades of ignition expertise, this spark plug offers the quality and reliability demanded by automotive professionals and enthusiasts alike.

Products specifications

Fits

Oldsmobile Cutlass 1962-63, Jetfire 1962; Buick Skylark 1961-62; Triumph Spitfire 1963-67, TR3A 1960-61, TR4A 1965-67, TR4 1962-64, TR3B 1962; Volvo 244 1975, 245 1975, 1800 1961-65, 1968, 1973, 242 1975, 122 1959-66, 544 1959-65 + 60 more models

Stock Number

4085

Part Number

BPR6HIX

Ground Electrode Core Material

Nickel

Hex Size

13/16

Seat Type

FLAT

Manufacturer Heat Range

6

Ground Electrode Quantity

1

Electrical Terminal Type

Removable Nut

Center Electrode Tip Material

Iridium

Ground Configuration

Standard

Center Electrode Core Material

Copper

Insulator Height

55.00

Pre-Gap Size

.032

Thread Diameter

14.00

Resistance

5000

Reach

.5

Ground Electrode Tip Design

Taper Cut

Very happy with my purchase. SUPER fast shipping and great communication. Will use again!

Really good prices and fast delivery.

Good deals

Very easy to talk to on the phone and excellent service.

Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

Lowest prices and fast shipping made this a great transaction.

I'm very pleased with Autoplicity. i needed a new battery for my antique Ford.After much searching,I found Autoplicity had it for over $25.00 less than the next lowest price I found. My order was shipped in less than 24 hrs. Thank you. I'll be recommending Autoplicity on the Ford forums I belong to

A+ part as advertised, quick shipping.

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