the quench domes work real well in a N/A street/strip motor, shoot for around .040" quench. Also be sure to follow KB's recommended gap sizing for the top ring otherwise you'll have issues.

Last edited by 68 HEMI GTS; 01/25/10 11:20 PM.
68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780#
69 Roadrunner 511 six pack 10.92 drive to track street car