This lifter is used with the larger hydraulic roller cams and it will maintain it's dimensions at higher RPM, thus resulting in a stronger-pulling engine. For use with open spring pressure up to 420 lbs.
INSTALLATION NOTES: Lifter Pre-load:
Iron Block, Iron head:-----------1/2-3/4 turn
Iron Block, Aluminum Head:----1/2- 1 1/4 turn
NOTE: The 5/16 ball in the diagram is for length checking only. This lifter will accept a 3/8 ball.
Roller Diameter = .700"