Secure your 4G engine’s balance shaft with confidence using the two piece HRB 4G Balance Shaft Pulley Lock Tool.

Purpose-built to lock the balance shaft pulleys firmly against its housing, this tool lets you torque the pulley nut precisely—no slipping, no damage. Machined from heavy-duty steel and zinc-plated for lasting corrosion resistance, it’s the professional’s choice for efficient, worry-free balance shaft work.

Compatible with Mitsubishi 4G63 EVO 4-9 engines, Supplied with all necessary mounting hardware for straightforward setup.

This tool is part of our 4G Crank Lock Up Kit (sold separately).

Key Features:

• Locks the balance shaft pulley securely against the housing
• Heavy-duty steel construction for strength under high torque
• Zinc-plated finish for corrosion resistance
• Includes mounting hardware for straightforward installation

Why Choose the HRB 4G Balance Shaft Pulley Lock Tool?

When you’re tightening or removing the balance shaft nut, this tool gives you rock-solid holding power—no more improvised wedges or pulley damage. Developed from real-world engine-building experience, it streamlines your workflow and protects your components.