FE Ford 427 Medium Riser /Tunnel Port High Performance Billet Rocker Arm Stands

Completely CNC machined in house from heat treated 6061 T-6 Alcoa billet bar stock for increased rigidity and strength over stock units Hard and Blue anodized Stands are solid style machined to factory width dimensions Center stands are counter bored at the bottom allowing any stand to be used in the oiler position eliminating any possibilty for assembly error End support stands feature large radius contouring for added shaft support and are contour relieved to clear all known headbolt / stud combinations and fit under stock style valve covers as well as all known aftermarket covers Stands are solid style machined to factory width dimensions Kit comes complete with 4 center stands, 4 end stands, 4 thrust washers, and grade 8 bolts and washers Recommended for hydraulic and solid lifter cams with OVER 325 lbs. open spring pressure. Applications running less spring pressure than that can use our performance version.