Do I need to spot face these screw in stud bosses for guide plates? PIC

I have a pair of new, odd ball EQ Lightning Vortec heads. They came with screw in studs but no guide plates (or any product literature). I know on some heads that used screw in studs but no guide plates, if you want to add guide plates you need to machine the stud bosses down by the thickness of

This listing is for a brand new rocker arm stud and guide plate kit. Kit includes 8 guide plates and 16 rocker arm studs. The guide plates are the

3/8 Rocker Arm Studs & Guide Plate Kit for SBC Small Block Chevy 262, 265, 267, 283, 302, 305, 307, 327, 350 And 400 V8 Engines

Durabuilt 085 06 0045 8 Piece 5 Magnetic Screw Guide Bit Set USA

Description Reviews Shipping & Returns Stud Boss Cutter for Small Block Chevy - SB-9311 Part#: SB-9311 Reference chart below for more details of part#

Stud Boss Cutter for Small Block Chevy - SB-9311

Hot Rods - Push rod guide plate--SBC

EXTRUDE-TITE® screw for thin metal sheet - CELO

Do I need to spot face these screw in stud bosses for guide plates? PIC

INSTRUCTIONS - COMP Cams

A Just Solution: Machine Ford Heads for Stud-Mount Adjustable Rocker Arms

Rocker Studs, Guide Plates and Hardened Pushrods, SB FORD 289

Rockers are hitting the studs. - Third Generation F-Body Message Boards

Ticking Lifters, Broken Rocker Studs

How to modify V8 heads for ARP 7/16 screw in studs,guide plates and adjustable roller rockers

Rocker studs for guideplates?