Description
A proper piston ring compressor is non-negotiable when assembling or rebuilding an engine—it keeps rings safely compressed during installation and prevents damage to expensive components. The ARP 4.145 Tapered Ring Compressor delivers precision engineering in billet aluminum, designed for exact bore fitment and reliable performance during critical assembly work. Whether you’re doing a full rebuild or a top-end refresh, this tool ensures your rings seat correctly without costly mistakes.
- 4.145″ bore diameter
- Tapered design
- Billet aluminum construction
- Black anodized finish
- Sold individually
- ARP MPN: 900-1450
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