Federal Mogul E378X30 Cast Iron Piston Ring Set Bore - 4.381 8-Cylinder

The Federal Mogul Sealed Power E378X30 is an economy cast iron piston ring set designed for 8-cylinder engines with a 4.381-inch bore diameter. This complete ring set provides reliable sealing performance for engine rebuilds and restorations at an economical price point.

Key Specifications:

• Bore Size: 4.381 inches
• Ring Configuration: 5/64" top compression ring, 5/64" second compression ring, 3/16" oil control ring
• Material: Cast iron construction for durability and wear resistance
• Application: 8-cylinder engine applications
• Complete set includes rings for all cylinders

Sealed Power piston rings are manufactured by Federal Mogul, a trusted name in engine components. Cast iron rings offer excellent heat dissipation and longevity, making them ideal for standard rebuild applications. The three-piece ring pack ensures proper cylinder sealing and oil control for optimal engine performance and efficiency.