https://www.fram.com/products/oil-filters/racing
The different sizes are noted in the link.
Not a recommendation. But fwiw, many years ago when racing we used a HP2 racing filter. And as research found, at lease back then, their racing filter is a different construction than the regular off the shelf Fram filter.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE