Quote:
Originally Posted by SDT1DYI
I believe they are listed in the Stock Car Classification Guide under your Car/Motor combo. Best to check with your Divisional tech director before spending $$$ confirm HP penalties.
STK. 6380.
|
They are listed on some combo (not mine) BUT, if you start looking at spec's of replacement vs oem head, most replacements have a larger volume which might not be legal (unless there's a rule I don't know about).