8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.5350 Inch, +.035 Bore, 1.5mm Ductile Iron Plasma Moly Top Rings, 1.5mm Ductile Iron Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

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In the world of high-performance racing, every millisecond counts, and every component must work in perfect harmony to deliver the power, speed, and durability needed for victory. Racing piston rings are one of the most critical components in any performance engine, ensuring that maximum power is delivered while maintaining engine efficiency and longevity under the extreme stresses of racing conditions. Designed for high-revving, high-pressure environments, our racing piston rings are engineered with precision to exceed the demands of top-tier motorsports.

• Oil Ring: Flex-Vent Design Minimizes Friction
• Oil Ring: Improve Flexability And High RPM Oil Control
• Oil Ring: Thin Wall Contact Allows For Quick Break-In
• Second Napier Ring: Measurably Improved Horsepower
• Second Napier Ring: Phosphate Optimal Durability And Oil Scrapping Ability Under Most Severe Conditions
• Top Ring: Designed For High Stress and High Temperature Conditions
• Top Ring: Designed For The Most Demanding High Compresion Applications
• Top Ring: Impact Resistant Plasma Moly Alloy
• Top Ring: Reduced Side Wear And Extended Life