HASTINGS Replacement Piston Rings — Bore 3.498", Oversize +0.010" – 83-86 Big Twin, 83-98 Touring, 85-99 Softail, 91-98 Dyna, 83-94 FXR, 99-00 CVO, 88-03 Sportster

Includes top compression rings, second compression rings, and oil control rings for a complete two‑piston set. 🔧

Top compression rings feature a barrel face for reliable sealing and improved heat transfer between piston and cylinder wall.

Second compression rings use a reverse torsional taper face to promote side sealing and better oil economy by preventing oil from being forced under the ring.

Oil control rings are a three‑piece flex vent design with two expanders and four steel rails to provide uniform pressure and positive oil control.

Reverse twist and taper‑machined faces duplicate the OD bottom‑side scraping edge of positive twist torsional rings for consistent performance.

Includes enough rings for two pistons; two rings per groove except rails, which are two rails per one expander.

Please read and follow the piston manufacturer’s instructions for correct top ring end gap and installation.

Made in the USA. 🇺🇸