Description
Installing pistons and rings requires precision to avoid damage during assembly. The ARP 4.070 Tapered Ring Compressor ensures your rings compress uniformly and safely, preventing costly scratches on cylinder walls or ring breakage that can compromise engine integrity. Whether you’re rebuilding a stroker or assembling a fresh short-block, this tool delivers the repeatability and reliability that separates quality builds from shop mistakes.
- 4.070″ bore diameter
- Tapered design
- Billet aluminum construction
- Black anodized finish
- Single unit (each)
- ARP MPN 900-0700






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