Tick Performance Head Bolt Drill Fixture for Gen 3 & 4 GM LS-Series Blocks - TPHBDF2543
The Tick Performance Head Bolt Drill Fixture will work on all Gen 3 & Gen 4
LS-series blocks, and includes the following:
CNC machined 6061-T6 drill fixture placeDrill bushing for tap drillDrill bushing for counterboreGuide bushing for tapCoated HSS Drill for tap holeCoated HSS Drill for counterboreBright Finish 1/2-13 spiral flute tapTwo (2) bushing retaining screwsExtra long drill for tap hole operation
...and if you need to work on the lower 4 bolt holes on 6 bolt blocks (for
upgrading to 3/8-16) you can add that option from the drop-down menu as
well, which will add the following:
Drill bushing for tap drillGuide bushing for tapCoated HSS Drill for tap holePrecision 3/8-16 Tap
This fixture can be used to enlarge the bolt holes in the head itself. See
the VIDEO tab above for an instructional video. Contact us with questions!
Tick Performance solid-dowel pins are necessary when upgrading to 1/2in
head studs. See the recommended product below.
Cylinder Head:
After performing the job on the block, you can use the DIY Head Fixture on
the heads to make room for the larger studs. Bolt the fixture to your head
and use the larger, 33/64in drill bit (included in the kit). This will
provide ample room for the new, larger 1/2in studs.
IMPORTANT:
The Tick Performance DIY Head-Stud Upgrade Fixture is designed to work with
the Tick Performance ARP 1/2in head stud kit ONLY (GEN-IV or GEN-III). The
fixture and instructions may not work with another brand 1/2in head-stud
kit.
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