Description
A quality piston ring compressor is non-negotiable for engine assembly work—it ensures your rings seat properly without damage during piston installation, saving you costly mistakes and rework. The ARP 4.125 Tapered Ring Compressor is engineered from billet aluminum for durability through repeated use, while its tapered design accommodates the natural variance in ring end gaps and bore geometry. If you’re rebuilding a 4.125-inch bore engine, this tool is essential for getting a clean, reliable installation every time.
- 4.125 inch bore
- Tapered design
- Billet aluminum construction
- Black anodized finish
- Sold individually
- Professional-grade tool
