66515 Harmonic Balancer Installation Tool for Chevy SBC BBC Engine

66515 Harmonic Balancer Installation Tool for Chevy

This harmonic balancer installation tool safely presses the balancer pulley onto the crankshaft snout, cross-referenced to part number 66515.

Overview

This harmonic balancer installation tool is designed to safely thread into the crankshaft snout to press the pulley onto the engine shaft. By preventing thread strip-out in the crankshaft, this harmonic balancer installation tool ensures a smooth and damage-free assembly process. It is built for engine builders, mechanics, and restorers working on classic or modern V8 engines.

Built For Performance

• Constructed from heavy-duty steel alloy for high tensile strength under load.
• Features a thrust bearing assembly to allow smooth rotation while tightening.
• Equipped with a long threaded rod to clear deep balancer pulleys safely.
• Includes a hex nut and washer designed to distribute pressing forces evenly.

Fits These Machines

• for Chevy SBC
• for Chevy BBC

On-The-Job Use

• Installing balancer pulleys without hammer impact to protect internal engine bearings.
• Rebuilding classic V8 engines on a stand or inside the vehicle engine bay.
• Assembling high-performance crankshaft components safely during engine builds.

Specs At A Glance

Good To Know

Q: Why should a hammer not be used to install a harmonic balancer? A: Hammering on a balancer can ruin the crankshaft thrust bearings and damage the engine internals.

Q: Does this tool come with multiple thread adapters? A: This specific tool is threaded specifically for standard SBC and BBC crankshaft thread configurations.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.