Drop-in Hydraulic roller lifters for small block.
There are drop-in solid rollers, but as far as I know all the hydraulic rollers available require grinding on the block.
thanks,
Ran


"Hey mister, something's wrong with your car, it idles roughly" - number one comment I got in Israel when daily driving a 70 Barracuda with a lopey cam.

Currently working on - 1966 Dodge A100 van 318/auto
Finally - disc brakes on the front.
In the plans - rear disc brakes, B&M 250 blower