Description
A degraded intake manifold gasket compromise combustion seal integrity, leading to vacuum leaks, rough idle, and performance loss on your LS platform. The MS20057 composite gasket set restores that critical seal with precision-engineered geometry matched to LS1/LS2/LS6 cathedral ports. This is a foundational maintenance item that prevents compounding damage to fuel trim and ignition timing.
- Fitment: LS1, LS2, LS6
- Material: Composite
- Thickness: 0.060 inch
- Port size: 1.150 x 3.375 inch
- Configuration: Pair (matched set)
- Installation: Bolt-on replacement
- MPN: MS20057






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