On their website it says:
https://www.howardscams.com/mechani...1957-1963-chevy-216-235-261-howards-cams
HOWARDS CAMS 179992
SKU: 179992
UPC: 840793108121
Lift: / , Duration @ .050: / , Centerline: , Custom Grind / Custom Order,
Notes: Stock (O.E.) valve springs cannot be used.

So Clifford filled out the Howards spec sheet and placed the order. The cam is drop shipped to purchaser.
Clifford made a few dollars for middleman (dealer) fees.

What's the deal with the valve springs? Stock is not strong enough?

Last edited by buoymaker; 10/29/2022 2:52 PM.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."