PROFORM 67445 Tapered Piston Ring Compressor for 4.030-Inch Bore

The PROFORM 67445 Tapered Piston Ring Compressor is designed to help install pistons smoothly and accurately in engines with a 4.030-inch bore. Its tapered profile compresses piston rings evenly as the piston enters the cylinder, helping reduce the risk of ring snagging, damage, or improper installation during engine assembly.

Constructed from lightweight aluminum, this ring compressor is easy to handle while providing the durability needed for repeated workshop use. The red anodized finish adds corrosion resistance and makes the tool easy to identify in a busy engine-building environment. The tapered design supports consistent ring compression and helps maintain alignment as the piston is guided into the bore.

Designed for automotive engine builders, performance enthusiasts, and professional technicians, the PROFORM 67445 offers a practical solution for piston installation and rebuild work. Use it with compatible piston and ring assemblies sized for a 4.030-inch bore. This single ring compressor is suitable for shop, garage, and track-support applications where dependable engine assembly tools are essential.

Features:

• 4.030-inch bore compatibility: Designed for piston installation in engines using a 4.030-inch cylinder bore.
• Tapered profile: Compresses piston rings progressively for smoother piston entry and improved installation control.
• Aluminum construction: Provides a lightweight design that is easy to position and handle during engine assembly.
• Red anodized finish: Adds a durable, corrosion-resistant surface and improves tool visibility.
• Engine assembly application: Suitable for professional technicians, engine builders, and automotive performance enthusiasts.