GUIE PLATES AND SCREW IN STUDS S/B CHEV.

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Comments:: CAN ANYONE HELP. I BOUGHT A SET OF WORLD S/R HEADS. SET UP FOR SCREW IN STUDS. SCREW IN STUDS WERE THE BOX. THE DATA SHEET SAYS ROCKER ARM STUDS. 3/8 SCREW IN WITH HEX SHOULDER. NOT MACHINED FOR GUIDEPLATES. DO GUIDE PLATES USE A SPECIAL STUD?? THANKS FOR ANY HELP. BOB

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