Piston Ring Set - 4.155 1/16 1/16 3/16 S100S8-4155-5

Piston rings are the critical seal between your pistons and cylinder walls—they control blow-by, regulate oil consumption, and directly impact compression and power output. A quality ring set like this Sportsman Series option ensures consistent sealing across the entire RPM range, preventing performance loss and engine wear. If you're building or rebuilding a serious engine, precision-fit rings are non-negotiable for reliability and peak performance.

The plasma moly coating on these rings provides superior scuff resistance and durability under high-heat conditions, while the file-fit design allows you to dial in the perfect gap for your specific application. Whether you're running a naturally aspirated or boosted setup, this kit gives you the thermal stability and sealing integrity that separates a mediocre build from a competitive one.

• 4.155 in bore diameter
• 1/16 x 1/16 x 3/16 in dimensions
• Plasma moly faced
• File fit design
• Standard tension
• 8-cylinder kit
• Sportsman Series
• MPN: S100S8-4155-5