|
|
|
Order # FFT4.512125L-5, Spark Plug Thread Repair Kits - Inserts
|
|
|
|
Inserts used for cast iron cylinder heads are made of steel for proper heat transfer. Inserts used for aluminum heads are made of aluminum and hard anodized for proper heat transfer and thread strength.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|