Graphite - Standard Bore
Copper - Standard Bore
Big Bore Graphite & Copper (all)
*Specifiy Early or Late / Standard or Big Bore
Use Permatex Bronze Spray as gasket sealer and Permatex 3H to seal the head stud and bolt threads into the block.
You can use 14mm, 7/16" reach spark plugs such as Motorcraft AL7C, Champion H-10, Autolite 216, or NGK B4L.