Description
Expansion plugs are critical wear items that seal coolant passages in LS engine blocks, preventing internal leaks that can lead to overheating and catastrophic engine failure. Whether you’re rebuilding a street engine or maintaining a race-proven platform, this OEM-spec kit ensures proper coolant containment and engine longevity. Don’t let degraded plugs compromise your cooling system—replace them during any major service or rebuild.
- Fits: GM LS Series
- Material: OEM-grade steel
- Quantity: Complete kit
- Installation: Bolt-on replacement
- Application: Coolant passage sealing
- MPN: MPE-900BR-GP
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