3/4" NPT X 14MM TAPERED SEAT

- 1-1/16" Hex Diameter

- 3/4" NPT Pipe Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits some engines built before 1925

1/2" NPT X 14MM TAPERED SEAT

- 7/8" Hex Diameter

- 1/2" NPT PipeThread Diameter (Outside)

- 14mm Thread (Inside)

- Fits most engines built before 1925

18MM TAPERED SEAT x 14MM TAPERED SEAT

- 7/8" Hex Diameter

- 18mm Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits Ford Y-Block V8

18MM FLAT SEAT x 14MM TAPERED SEAT (EXTENDED)

- 7/8" Hex Diameter

- 18mm Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits Allison V12 Engine

18MM FLAT SEAT X 14MM FLAT SEAT (SHORT)

- 7/8" Hex Diameter

- 18mm Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits Continental Engines & Special  Applications

7/8" FLAT SEAT X 14MM TAPERED SEAT (STANDARD)

- 1" Hex Diameter

- 7/8" Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits most engines built between 1925-1939

18MM FLAT SEAT X 14MM TAPERED SEAT (STANDARD)

- 7/8" Hex Diameter

- 18mm Thread Diameter (Outside)

- 14mm Thread (Inside)

- Fits most engines built between 1939-1970

High quality sparkplugs are hard to find for older gasoline tractors and engines, sparkplug adapters solve this problem. The adapters allow the use of 14 mm automotive sparkplugs in engines that require larger sparkplugs. Automotive sparkplugs are more robust and readily available.

BULK PRICING AVAILABLE. CONTACT US FOR MORE INFORMATION!

Click "INFORMATION" tab for tractor application guide.

Spark Plug Adapters

Custom, Made to Order Sparkplug Adapter

- If you have an application that requires a custom adapter not listed above, please contact us to discuss. 

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Tel: 989.277.0141

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If you would like additional information about REAM  Corp. products or have a special sparkplug application, please contact us.

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OVER 30 YEARS EXPERIENCE
OUR SERVICES

- Standard Spark Plug Adapters

- Custom Adapter Design & Manufacture

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R.E.A.M. Corp.

P.O. Box 311

New Lothrop, MI. 48460