Enginetech M40018-STD Premium Moly Piston Ring Set 4.000" Bore

The Enginetech M40018-STD is a premium quality piston ring set featuring moly-faced top rings for superior wear resistance and extended engine life. This standard bore ring set is designed for 4.000-inch cylinder bores and provides an excellent solution for engine rebuilds and performance applications.

Key Features:

• Premium molybdenum-faced top compression ring for enhanced durability and reduced friction
• Standard bore size: 4.000 inches (STD)
• Compatible with multiple V8 engine platforms including Ford 5.0L 302 and Chrysler/AMC 360 5.9L applications
• Complete ring set includes top compression, second compression, and oil control rings
• Engineered to OEM specifications for reliable sealing and proper oil control
• Quality construction ensures optimal compression and engine performance

This ring set is ideal for professional engine builders and DIY mechanics performing complete engine overhauls. The moly coating on the top ring provides excellent break-in characteristics and long-term wear resistance, making it suitable for both street and moderate performance applications.