Description
A piston ring compressor is essential for any engine build or rebuild—it ensures your rings compress uniformly as the piston enters the cylinder, preventing damage to both the rings and cylinder wall. The ARP 4.165 Tapered Ring Compressor delivers precision engineering in billet aluminum construction, designed specifically for 4.165-inch bore applications where accuracy and durability matter. Whether you’re assembling a race engine or performing a meticulous rebuild, this tool guarantees consistent results without compromising your component integrity.
- 4.165-inch bore
- Tapered design
- Billet aluminum construction
- Black anodized finish
- Sold individually
- Bolt-on installation






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