39g lifter fitting to T4

[Oliver Knuf]

If you want to see the newest form of development on these lifters, download the picture.

-bushing has inside and outside grooves, you can press them in like you want, no need to position the bores
-small groove in the lifter itself
-new machining of the lifter cup with press-in fitment and pressed edge
-bushing has an edge to get a better top end
-still VAC-hardened to 56 rockwell (shaft) and 65 rockwell (mushroom side)
-still made billet steele with a high chrome part, hollow, CNC machined with radiuses