Description
A quality ring compressor is essential for any engine rebuild or piston replacement—it ensures your piston rings are properly seated and compressed during installation, preventing damage to both the rings and cylinder walls. The AC-RC4000 delivers precision engineering in a compact, durable design that’ll serve you reliably whether you’re rebuilding a street engine or prepping for competition. Its tapered profile and billet construction mean you get consistent compression every time, with no guesswork.
- 4.000 in bore
- Tapered design
- Billet aluminum
- Black anodized
- Sold individually
- CNC-precision engineered
- Professional-grade construction






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