Piston Ring Set (STD) – Fits Briggs & Stratton 170000 Series | 190400, 190700, 191700 | Rotary #6722

The Standard Piston Ring Set (STD) is an OEM-quality replacement designed for Briggs & Stratton 170000 Series engines, including models 190400, 190700, and 191700. Built to restore compression, reduce oil consumption, and extend engine life, this ring set is a perfect fit for both rebuilds and preventative maintenance. It also serves as a direct replacement for Rotary #6722 piston assembly.

Specifications & Details:

• Product: Piston Ring Set (STD – Standard Size)

• Application: Briggs & Stratton 170000 Series engines

• Compatible Models: 190400, 190700, 191700

• Cross Reference: Replaces Rotary #6722 piston assembly

• Restores factory compression and performance

• Reduces oil consumption and blow-by

• OEM-quality construction for durability and reliability

• Direct-fit design for easy installation

This B&S piston ring set ensures your small engine runs efficiently, making it ideal for contractors, repair shops, and DIY mechanics.

Replaces

• BRIGGS & STRATTON: 391669, 499921