Sealed Power E178K30 Performance Moly Piston Ring Set

Sealed Power E178K30 Performance Moly Piston Ring Set is designed for applications with a 3.940-inch bore. This drop-in ring set features a performance-oriented configuration made from steel with a moly surface treatment.

The set uses 5/64-inch top and second rings with a 3/16-inch oil ring. Standard tension supports a balanced design for applications requiring the specified ring profile and tension characteristics.

Configured for 8-cylinder engines, the E178K30 provides a complete piston ring set in the product’s specified arrangement. Verify bore size, ring thickness, tension, and engine application requirements before installation.

Features:

• Brand: Sealed Power
• Part Number: E178K30
• Product Type: Performance piston ring set
• Bore Size: 3.940 inches
• Ring Configuration: 5/64 x 5/64 x 3/16 inches
• Material: Steel
• Surface Treatment: Moly
• Tension: Standard
• Installation Style: Drop-in
• Engine Configuration: 8-cylinder