Spark Plug Thread Adaptors 18mm down to 14mm Brass (M14 & M18)
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Unbranded

Spark Plug Thread Adaptors 18mm down to 14mm Brass (M14 & M18)

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£2.99

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The Green Spark Plug Company
Postage £4.16

Why The Green Spark Plug Company

  • Vast stock of vintage and modern spark plugs
  • Specializes in veteran, vintage, classic engines
  • Fast, worldwide shipping and secure packaging

About the product

This brass spark plug thread adaptor reduces an 18mm thread to 14mm.

It is for use with long-reach 14mm plugs. The seated shoulder raises the spark plug out of the chamber. The M14 thread has a 1.25mm pitch, and the M18 thread has a 1.5mm pitch.

At a glance

  • Brass adaptor reduces an 18mm thread to 14mm
  • For use with long-reach 14mm plugs
  • M14 thread pitch: 1.25mm; M18 thread pitch: 1.5mm
  • Seated shoulder raises the plug out of the chamber

Specifications6

Unbranded
Material
brass
Dimensions
18mm down to 14mm
M14 thread pitch
1.25mm
M18 thread pitch
1.5mm
Use
For long-reach 14mm plugs
Seated shoulder
Raises the spark plug out of the chamber

Price history

Price at the shop, last 78 days

The price has stayed at £2.99 since 19 August.

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£2.99 at The Green Spark Plug Company Go to shop