Designed to not break the spark plug
Unique design helps prevent breakage by locking the plug porcelain core to the plug hex allowing it to turn as one complete unit
It will also pull plug porcelain core if plug hex is removed. 9.6 × 6.4 × 4.7 in
Detailed instructions included to maximize success rate
Works onFord 4.6L 3V V8 engines used in 2005-2008 Mustang, 2006-2008 Explorer.Ford 5.4L 3V V8 engines used in 2004-2008 F-Series, 2005-2008 Expedition, 2005-2008 Lincoln Navigator.Ford 6.8L 3V V10 engines used in 2005-2008 F-Series 250, 350, and 450.