These covers are used on GMPP 427 crate engines, and will fit most big blocks. Covers are tall.
One cover has two 1.25" holes, the other cover has one 1.25" hole
Two per package.
Gaskets and bolts not included.
Note: The natural version is unfinished and is designed to be flexible for the engine builder that wants their own specialized color. These unprotected valve covers are not intended for use as is. The raw material will corrode and discolor very easily without paint or proper protection.