This SAE Standard details a uniform method for classifying heat ratings of unshielded spark plugs.
Original price was: $44.00.$22.00Current price is: $22.00.
Spark Plug Heat Rating Classifications (Stabilized: Mar 2013)
SAE International , 03/01/2013
Original price was: $49.00.$24.00Current price is: $24.00.
Spark Plug Heat Rating Classifications (Stabilized: Mar 2013)
SAE International , 03/11/2013
This document has been declared “Stabilized” and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.
This SAE Standard details a uniform method for classifying heat ratings of unshielded spark plugs.







