Quick view E3 Spark Plugs E3.42 Set of 4 $6.49 per plug. Sold by the box of 4. Order 2 for your V8. E3.42 is a 14mm, 0.460” reach plug with a taper seat. It fits Pontiac Cast Iron heads usng 5/8 "peanut plugs" from 1972 and later. For eariler Pontiacs use E3.52. E3 automotive plugs have... $25.96 Compare
Quick view E3 Spark Plugs E3.48 Set of 4 $6.49 per plug. Sold by the box of 4. Order 2 for your V8. E3.48 is a 14mm, 0.750” reach plug with a gasket seat. It fits Edelbrock and Speedmaster Aluminum heads. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell... $25.96 Add to Cart Compare
Quick view E3 Spark Plugs E3.52 Set of 4 $6.49 per plug. Sold by the box of 4. Order 2 for your V8. E3.52 is a 14mm, 0.375” reach plug with a gasket seat. It fits a wide variety of GM applications from the 50’s to early 80’s, and is generally the correct plug for Pontiac Cast... $25.96 Add to Cart Compare
