Sealed Power E-261K Engine Piston Ring Set

Sealed Power E-261K Engine Piston Ring Set

Restore compression and cylinder sealing in classic V8 rebuilds with the Sealed Power E-261K engine piston ring set. Built for standard-size applications, this vintage component line supports older Ford and Mercury engines with materials selected for durable, consistent performance during restoration work.

Key Features

• Standard size engine piston ring set for vintage rebuild applications
• Top ring made of moly steel for wear resistance and sealing performance
• Second ring made of ductile material for stable cylinder control
• Fits 8-cylinder engines
• File fit: No
• Sealed Power vintage components are built for applications over 35 years old
• Manufactured under ISO and QS certified processes

Application Details

Compatible with classic Ford and Mercury V8 engines, including Fits 1966-1970 Ford LTD, N/A; Fits 1967-1970 Ford Mustang, N/A; Fits 1966-1970 Mercury Colony Park, N/A; Fits 1968-1970 Mercury Cougar, N/A; Fits 1969-1970 Mercury Marauder, N/A; Fits 1966 Mercury Marauder, N/A; Fits 1967-1970 Mercury Marquis, N/A; Fits 1969 Ford Thunderbird, N/A; Fits 1966-1967 Ford Thunderbird, N/A; and Fits 1968-1969 Mercury Montego, N/A. The E-261K is a standard-size piston ring set for restoration-focused engine work where original-style fitment matters.

This part cross-references Bosch 9612 for the same application.

What It Is Used For

• Restoring cylinder compression in worn vintage engines
• Reducing oil control issues caused by aged ring sets
• Addressing blow-by in classic Ford and Mercury V8 rebuilds
• Replacing worn piston rings during standard-size engine overhaul

Installation Notes

Confirm bore size and ring end gap before assembly. Because this set is not file fit, verify that the cylinder bores and pistons are within standard-size specifications before installation. Follow the engine builder’s measurement and break-in procedures for the specific Ford Mustang, Thunderbird, LTD, Cougar, Marauder, Marquis, Montego, or Colony Park application.

Quality Assurance

Sealed Power vintage components are produced for older engine applications using certified manufacturing processes and materials selected for long service life in restoration rebuilds.