Performance Engine Rebuild Re-Ring Kit for Saab 9-7X (2005-2009) 5.3L

Precision Engine Rebuild Re-Ring Kit for 2005-2009 Saab 9-7X (GMT360)

What it Does: The Performance Engine Rebuild Re-Ring Kit replaces worn internal seals, rings, and journal bearings on the 2005-2009 Saab 9-7X 5.3L to restore factory cylinder compression, stop blow-by, and eliminate critical oil leaks.

The Stock Saab 9-7X Piston Ring & Bearing Degradation

As the factory 5.3L Gen III / Gen IV V8 in the GMT360 chassis accrues thermal cycles and mileage, standard piston rings lose radial tension, leading to crankcase blow-by, oil consumption, and carbon packing. Simultaneously, standard journal bearings suffer hydrodynamic boundary breakdown, causing oil pressure loss at idle. Aging composite front, rear, and valley gaskets embrittle, leaving the engine vulnerable to unmetered vacuum leaks and persistent oil seepage along the block perimeter.

The Engineering Solution

This comprehensive overhaul kit delivers high-tensile piston rings, precision-gauged main and connecting rod bearings (interchange MS2199 and CB-663), and severe-duty Multi-Layer Steel (MLS) head gaskets. Designed to withstand combustion pressures and thermal distortion, the MLS head gaskets ensure micro-seal conformity across the deck. Matched front cover, valley, and rear main seals restore crankcase containment, stabilizing oil pressure and revitalizing rotating assembly longevity without requiring block overboring.

What's Included

• 1 Gen III Valley Cover Gasket (OE: 12558178)
• 2 LS1/LS2/LS3 Header Gaskets
• 1 LS Oil Pan Gasket
• 2 LS Water Pump Gaskets
• 1 LS Front Cover Gasket
• 2 LS Valve Cover Gaskets
• 1 LS Damper Seal
• 1 LS Rear Cover Gasket
• 1 Rear Main Seal
• 4 Water Crossover/Block Off Gaskets (OE: 12551933)
• 1 Oil Filter Adapter Bypass Gasket (OE: 12611384)
• 2 Knock Sensor Grommets (OE: 12558177)
• 2 Multi-Layer Steel (MLS) Head Gaskets
• 1 Bolt Kit
• 1 Piston Rings Set (Interchange: E-937K / 2M4978)
• 1 Main Bearings & Connecting Rod Bearings Set

Technical Specifications

Compatibility

• 2005 Saab 9-7X 5.3i (5.3L OHV V8)
• 2006 Saab 9-7X 5.3i (5.3L OHV V8)
• 2007 Saab 9-7X 5.3i (5.3L OHV V8)
• 2008 Saab 9-7X 5.3i (5.3L OHV V8)
• 2009 Saab 9-7X 5.3i (5.3L OHV V8)

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT360 9-7X?

Yes, this is a direct fit for the 2005-2009 Saab 9-7X equipped with the 5.3L OHV V8 engine. Piston rings in this kit are sized specifically for 4.8L and 5.3L engines and will not fit 6.0L (Aero) applications or 4.2L inline-6 models.

Are intake manifold gaskets included in this package?

No, the intake manifold gasket is not included and must be sourced separately to complete your manifold reinstallation.

The Saab Caliber

Engineered to uphold the unique blend of Scandinavian luxury and robust all-wheel-drive GM towing capacity, this rebuild assembly provides the rigorous sealing tolerances required for sustained hauling duty and smooth highway cruising.