· 3/8" glow plugs 8, 10 and 12mm. 6pc Jumbo SAE Raised Panel Black Oxide Angle Wrench Tool Set Heat-treated B0541. 10pcs Fan Clutch Pneumatic Wrench Tool Kit Set for Ford Chrysler vehicles A4024. · 3/8" Drive Spark plug 14, 16, 16 (thin wall) and 21mm.