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Protect your valvetrain. Manley guide plates are made from heat-treated steel and have a black oxide finish. They are carefully stamped for absolute accuracy and are a must-have for today's performance engines.
Please Note: To convert Ford 351C engines to adjustable rocker arms and pushrod guide plates, machine the old rocker stanchions down to a height of .550” as measured from the adjacent head bolt spot face with cutter 41860. Drill and tap the old screw hole to accept stud 42277.