View Single Post
Old 08-23-2023, 02:07 PM   #2
Paul Precht
Senior Member
 
Paul Precht's Avatar
 
Join Date: Dec 2001
Location: Elysburg, Pa
Posts: 730
Likes: 353
Liked 309 Times in 118 Posts
Default Re: 1967 plymouth gtx 440 cylinder heads.

The 915 head is far better for stock, the 516 is an earlier head. A superseding head is typically if not always a newer head.
Paul Precht is offline   Reply With Quote
Liked