Enginetech M42558-060 Premium Piston Ring Set 4.310" Bore .060 Oversize

The Enginetech M42558-060 is a premium moly-faced piston ring set designed for 4.310-inch bore applications in .060-inch oversize configuration. This high-quality ring set features 5/64", 5/64", 3/16" ring thickness specifications and is engineered for big block V8 engine rebuilds requiring oversized rings.

Key Specifications:

• Bore Size: 4.310 inches
• Top Ring Thickness: 5/64 inch, Second Ring Thickness: 5/64 inch
• Oil Ring Thickness: 3/16 inch
• Top Ring Type: Moly-Faced
• Oversize: .060 inch
• Sold As Complete Set (for 8 Cylinder)

Features and Benefits:

• Premium moly-faced top ring provides superior wear resistance and reduced friction
• Precision-engineered for drop-in installation in properly prepared cylinders
• Complete set includes compression rings and oil control rings for all cylinders
• Ideal for engine rebuilds requiring .060" overbore machining

Cross-references include Hastings 2M683 and Federal Mogul E-233K. This ring set is manufactured by Enginetech to exacting standards for reliable performance in both street and performance applications.