I have 572-13 Indy heads with 948-16 Comp Cam springs.

The springs have a seat load of 332 psi and an open load of 949 psi.

The cam is 815 in and 800 exh on the lift.

I need a really good set of offset roller lifters that i can use for pushrod oiling and dont have to bush the block.And it is also a mega block.

Any recommendations would be greatly appreciated.