HASTINGS Race Ductile Piston Rings Set Chevy 327 350+Ford 302 1/16-1/16-1/8 .040

This item is for .040 over bore "drop-in" Hastings ductile, plasma-moly piston ring set for 4.000" bore V-8 engines (Chevy 327, Chevy 350, Ford 302 small blocks) requiring 1/16"-1/16"-1/8" ring pack. P/N 2M5521-040.

Whether it's a car, truck, motorcycle, marine, or a performance racing application-properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that and will perform flawlessly in the most difficult environments. This premium ductile ring set is suitable for rebuilds and new builds. 

RING SPECIFICATIONS

• Bore: 4.040 in. (at .040 bore)
• File Fit: No
• Top Ring Thickness: 1/16 in.
• Top Ring Material: Ductile iron
• Top Ring Facing Material: Plasma-moly
• 2nd Ring Thickness: 1/16 in.
• 2nd Ring Material: Iron
• 2nd Ring Facing Material: Phosphate Coated
• Oil Ring Thickness: 3/16 in.
• Oil Ring Material: Stainless steel