Engine Pro Performance Ductile Plasma Moly Top Ring - Napier Second Ring 43M8571

Engine Pro Performance Ductile Plasma Moly Top Ring - Napier Second Ring 43M8571 Specifications

• Size: Std, .005, .030, .035, .045, .065
• Bore Size: 4.0000, 4.0050, 4.0300, 4.0350, 4.0450, 4.0650
• Sold in a Set of 8

Applies to:

• 1/16" - 1/16" - 1/8" Standard Tension

Description:

All the features of our premium ductile series rings, plus the second ring is Napier profile design for superior durability and oil scraping ability.

• TOP RING: DUCTILE IRON, PLASMA MOLY
• Impact resistant plasma moly alloy
• Reduced side wear and extended life
• Designed for the most demanding high compression applications
• Designed for high stress and high temperature conditions
• SECOND RING: DUCTILE IRON, NAPIER
• Optimal durability and oil scraping ability under most severe conditions
• Measurably Improved Horsepower
• OIL RING: FLEX-VENT
• Flex-Vent design minimizes friction
• Improved flexibility and high RPM oil control
• Thin wall contact allows for quick break-In