Engine Which harmonic balancer for Hesco 4.2l EFI upgrade?
Brad88yj
Jeeper
I recently got a Hesco EFI system upgrade for my 83 AMC 258 i6 / 4.2l from a friend but didnt come with the harmonic balancer. Do you need to use the V belt balancer from Hesco or will one from a 4.0l work the same?