Clevite 51617 Standard Piston Ring Set for Big Block Engines

The Clevite 51617 is a premium standard piston ring set designed for big block V8 engines with a 4.250-inch bore diameter. Manufactured by MAHLE Original (formerly Perfect Circle), these piston rings deliver the quality and reliability that professional engine builders have trusted for over 100 years.

Key Specifications:

• Bore Diameter: 4.250 inches (standard bore)
• Top Ring Thickness: 5/64 inch (0.0783 inch)
• Second Ring Thickness: 5/64 inch (0.078 inch)
• Oil Ring Assembly Thickness: 3/16 inch (0.1875 inch)
• Shallow oil ring groove design
• Top Ring Material: Cast iron
• Second Ring Material: Cast iron
• Oil Ring Assembly Material: Stainless steel

Features and Benefits:

• High tensile strength and excellent hardness with low ring mass for stress resistance and minimal groove wear
• Superior cylinder conformability ensures optimal sealing and compression
• Excellent oil economy and blow-by control with reduced friction
• Long service life designed for demanding applications
• Standard grade quality suitable for stock rebuilds and performance applications

This complete ring set provides everything needed for a professional engine rebuild, delivering reliable performance and durability for your big block engine.