Description
Installing pistons correctly requires precision—a quality ring compressor ensures your rings seat perfectly without damage during engine assembly. The Proform adjustable ring compressor eliminates guesswork by accommodating bore sizes from 4.000″ to 4.090″, making it versatile across multiple engine builds. Built from billet aluminum and anodized for durability, this tool delivers the control and reliability serious engine builders demand.
- Bore range: 4.000–4.090″
- Adjustable compression
- Billet aluminum construction
- Blue anodized finish
- Single unit
- Bolt-on installation
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