Originally Posted By polyspheric
The diff is that the stand motion is vertical (unless you make new offset stands), while the valve stem height moves at the stem angle (15, 18 etc.).

The shaft holes have been slotted,makes it offset, so it also helps the pushrod side.

Last edited by csk; 08/24/18 10:46 PM.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5