ARP Ring Compressor 84.0mm

ARP Ring Compressor 84.0mm Precision-engineered ring compressor by ARP for reliable piston ring installation on 84.0mm bores. Designed for engine builders and DIY mechanics who demand consistent, damage-free assembly every time. Size: 84.0mm bore capacity Durable construction: CNC-machined steel for long life and repeatable performance Accurate fit: Smooth, uniform compression to prevent ring distortion or oil ring roll-up Easy to use: Lightweight design and ergonomic profile for quick alignment and installation Compatibility: Ideal for performance and OEM rebuilds using 84.0mm pistons Trust ARP quality for every engine build — reduce installation time, avoid costly ring damage, and ensure concentric seating of piston rings for optimal compression and longevity.