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We offer only the best piston rings for our engine rebuilds. With years of experience building Chrysler engines, you can trust us to supply you with the best parts to build a reliable engine.

Plasma moly's incredible bonding strength results in a high resistance to heat, flaking, and cylinder scuffing. Increased porosity improves top ring lubrication.

This HASTINGS TOUGH GUY RACING piston ring set is suitable for Chrysler 440 RB engines that are built standard through to high performance using pistons that require a thin-grove ring set.

Ring Specifications

• Diameter: 4.380" 60thou oversize
  
• Top ring: 1/16" Plasma moly-coated ductile iron
• 2nd ring: 1/16" Phosphate coated grey iron
  
• 3rd ring: 3/16" Oil Ring: Low or standard tension

Hastings Tough Guy Racing Rings

At Hastings Manufacturing, we’ve mastered the engineering and craftsmanship of piston rings—including those made to meet the high demands of performance and racing. Our Tough Guy Racing Rings protect and enhance the performance of high-horsepower, high-torque racing engines by reducing friction, improving heat transfer, maximizing the sealing of compression gases, and enhancing oil control. The result is superior performance every time the foot hits the gas.

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