Efficient Installation Tool for LS Engines:Designed for installing harmonic balancers without damaging threads. Helps press the crank pulley evenly onto the crankshaft, making installation faster and safer for LS engine applications.
Upgraded Thrust Bearing for Smooth Operation:Built-in thrust bearing reduces friction during installation, allowing smoother turning and minimizing wear on threads compared to standard installer tools.
Complete Kit with Crank Bolt Included:Comes with a crank bolt (replaces 12557840,917-139 ) for convenient installation. No need to purchase additional hardware—ready to use out of the box.
Wide Compatibility with LS Engines:Compatible with GM 1997-UP V8 LS1, LS2, LS3, LS6 engines and 4.8L 5.3L 6.0L 6.2L applications. Suitable for most Gen III & Gen IV LS engines.
Heavy Duty Steel Construction:Made from high-strength steel for durability and long service life. Precision-machined threads ensure a secure fit and reliable performance.