Stock 1972 340 intake and Thermoquad HP limits..?

LD 340 intake and..........

Edelbrock's NHRA Accepted High Performance Aluminum Cylinder Heads have been submitted to the NHRA for approval and have been accepted for STOCK/SUPER STOCK Classes where indentified below. They are easily identifiable as they all include the NHRA Oval Logo engraved on both ends of the cylinder head casting, with their specific part number below.

Edelbrock 60767: NHRA Performer RPM Cylinder head for Small Block Chryler | JEGS


Thanks. Wasn't aware of that.