RodPenrose ·
I have a set of original 041 heads that where ported @ CB performance approx 15 yrs ago . The heads have new 42 x 37.5 mm stainless valves , new dual springs , new moly retainers and new guides . The heads have small cracks between the spark plugs and ex valves and now have steel inserts added to take a long reach plug and are bored for 94mm , $ 600 , ROD , 02-42729920