___question about valve springs___
Are supertech dual valve springs for a H22 the same as the ones for a B series? (Meaning will the H springs work in the B head)
Part# SPR-H1000D (part number not 100% is correct)
Also is it required that you use after market retainers with these springs?
Part# SPR-H1000D (part number not 100% is correct)
Also is it required that you use after market retainers with these springs?


