Originally Posted by Kudakidd
Back in the day (my day at least), these were the Champion spark plugs to run in a big block. Is it still the same today, and where's the best place to buy them?
Probably not going to find them now due to smog rules, resistor plugs only now scope
I thnk that champion quit making the J11Y and RJ11Y a long time ago, RJ10Y, RJ10YC or RJ12Y, RJ12YC available now scope

Last edited by Cab_Burge; 01/26/23 04:39 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)