NHRA winners.

Solid lifter may replace hydraulic. Flat tappet may not be replaced with roller. Lift checked at valve retainer, with zero lash.

yes....lift is .462/.473

Edelbrock aluminum heads are legal also..

I have seen LD340s without the factory part number on them....be send off and the intake comes back with the park number on it....I have seen LD340 cut open and ported and weld back together so good...you could not tell then had been cut open....yes...STOCK...LOL