ARP Ring Compressor (86.25 mm)

When you're rebuilding the top end of your engine and getting ready to install the pistons, you'll need a reliable way to compress those piston rings. This ARP ring compressor is designed for a specific bore size, ensuring a snug fit that won't damage delicate rings or the cylinder walls. It's a well-built tool that makes a critical step in engine assembly much smoother.

This compressor is made to fit pistons with an 86.25 mm bore diameter. The smooth, polished surface and sturdy construction help prevent the rings from snagging or breaking as the piston is carefully guided into the cylinder. Using the correct size compressor is key to avoiding costly mistakes during an engine build, and ARP is a name known for quality in the performance engine world.