Sealed Power R9902-60 Plasma-Moly Piston Ring Set Bore - 4.060 8-Cylinder

The Sealed Power R9902-60 Speed Pro piston ring set is a premium plasma-moly coated ring set designed for 4.060 inch bore 8-cylinder engines. Engineered to withstand the demands of high performance street use and racing applications, this complete ring set delivers exceptional sealing performance and extended service life.

Key Features:

• 4.060 inch bore diameter for precision fit
• Ring widths: 1/16" top compression ring, 1/16" second compression ring, 3/16" oil control ring
• Plasma-moly coated, barrel-shaped ductile iron top rings resist wear and seal against blowby
• Standard tension design maintains excellent sealing without excessive friction
• Tapered secondary rings seal against the oil control ring's upper surface for superior oil control
• 3-piece oil rings with stainless steel expanders provide proper tension without robbing horsepower
• Complete 8-cylinder kit (8 sets included)

Speed Pro piston rings are manufactured using advanced technologies and precision engineering to deliver reliable performance for engine rebuilds. The plasma-moly coating provides exceptional wear resistance and helps rings seat quickly during break-in, while the ductile iron construction ensures durability under demanding conditions.