Sealed Power E-245K Engine Piston Ring Set

Sealed Power E-245K Piston Ring Set

Sealed Power E-245K is a standard-size engine piston ring set for classic V8 rebuilds that need dependable sealing and consistent cylinder pressure. Built with a steel top ring and moly facing, it supports restoration work on older Pontiac, Chevrolet, GMC, and Oldsmobile engines.

Key Features

• Standard size piston ring set for vintage engine rebuilds
• Steel top ring with moly for improved wear resistance
• 2nd ring uses ductile material for stable sealing performance
• File fit: No
• Engine cylinder quantity: 8
• Sealed Power vintage components line for applications over 35 years old

Detailed Description

The Sealed Power E-245K engine piston ring set is built for classic V8 applications where accurate ring sealing and long-term durability matter. The standard-size design makes it a direct choice for rebuilds that retain original bore dimensions, while the steel w/moly top ring helps deliver consistent contact and wear characteristics during break-in and regular operation. This part number is commonly selected for Pontiac Bonneville, Pontiac Firebird, and Chevrolet Impala rebuilds, along with other period-correct GM applications.

Sealed Power’s vintage components program focuses on older engines, using modern materials and ISO- and QS-certified manufacturing practices to support restoration projects. This makes the E-245K a practical option for builders restoring classic Pontiac, Chevrolet, GMC, and Oldsmobile engines to reliable street use.

This part cross-references 245K and MG4003 for the same application.

What It Is Used For

• Restoring compression in worn cylinder bores
• Reducing oil control issues from tired ring packs
• Addressing blow-by in high-mileage classic V8 engines
• Supporting rebuilds on Pontiac, Chevrolet, GMC, and Oldsmobile applications
• Replacing damaged or worn piston rings during engine overhaul

Installation Notes and Tips

• Verify bore size and ring end gap before assembly.
• Confirm the engine is a standard-size application before ordering.
• Follow the engine builder’s ring orientation and break-in procedure.
• Check cylinder wall condition and hone finish before installation.
• Use the fitment list to confirm year, make, and model details for your rebuild.

Quality Assurance

Sealed Power vintage components are manufactured with materials and processes intended for older engine applications, with ISO and QS certified production supporting consistency for restoration work.