Description:

Brand new

Type:Crankshaft Drilling Fixture Balancer Bolt Tool

Sub-type: Crankshaft snout drilling fixture tool

Color:as the picture show

Material：High Quality Aluminum

Placement on Vehicle:Crankshaft Snout

Feature:

The cranks are not drilled from the factory and adding the 7/16 bolt hole will aid you on installation of the balancer and retention of it.

Precision made to fit on the end of the crank.    Key is left in the crank.   The fillings drop out the side while drilling.    A drill bushing is used for perfect alignment of the drill during drilling.

This procedure can be performed on a assembled engine.    The tool will fit on the snout.    Be sure to plug the seal hole with a rag and direct the slot to the down position for chip discharge.

Drill 1.75 deep.    We get many questions on which bolt to use.    All applications are different.    The bolt will be 7/16-20 and will need a THICK washer.

Best to drill when crank is out of engine.    I bolt the flange side to the flywheel/ flexplate to make it safely stand on end for drilling with hand drill.

Fitment:

For Chevy inline 6 194 230 250

For Chevy 348, 409

For SBC 265,283 and 327 and all small block Chevy

For Chevy inline 216, 235 and 261

For GMC 248,270,302,

For Chevy 153 4 Cyl also as used in Mercruiser and ChevyII

Also works on For SBC 265 283 327 350 as well for 235 261 and 348, 409.    All of these cranks use the same diameter snout.

Package includes :

1X Crank snout hardened drill bushing

1x 7/16-20 tap

1x  drill bit