SKU: C15388-040 / UPC: 191070434519
Cometic Ford Mustang Shelby GT350 5.2L Voodoo V8 Left Cylinder Head Gasket – .040″ MLS, 95mm Bore
Seal your high-revving 5.2L Voodoo engine demands with the Cometic C15388-040 left cylinder head gasket. Designed specifically for Ford’s DOHC Modular V8, this multi-layer steel (MLS) gasket handles the intense pressures and temperatures of performance driving, providing reliable combustion chamber isolation that maintains power delivery and prevents blow-by. Compared to traditional composite gaskets, MLS construction with three embossed stainless steel layers and advanced coatings delivers stronger clamping around the bores, making it the direct fit solution for enthusiasts building or refreshing GT350 powertrains without the need for additional sealants.
Key Specifications
- Material: Multi-Layer Steel (MLS) with 3 layers for enhanced durability and heat resistance
- Compressed Thickness: 0.040 inches
- Bore Size and Shape: 95mm round bore
- Orientation: Left hand side (LHS)
- Construction Features: Embossed layers with HP shim technology for increased load around the combustion chamber, compatible with aluminum cylinder heads, no sealants required
This gasket outperforms standard OEM replacements in high-output scenarios by conforming to irregular surfaces while resisting distortion under boost or high RPMs, ideal for track days, dyno pulls, or daily spirited drives in your Shelby GT350.
What’s Included in Your Purchase
- (1) Cometic C15388-040 Left Cylinder Head Gasket
- Part Number: C15388-040
- UPC: 191070434519
No additional hardware or adhesives needed; installs directly with factory or aftermarket head studs/bolts.
Vehicle Fitment
Engineered exclusively for the Ford 5.2L Voodoo Modular V8 (naturally aspirated, DOHC, flat-plane crank). Compatible with:
- 2015-2019 Ford Mustang Shelby GT350 (all submodels, including base and track packs)
- 2015-2019 Ford Mustang Shelby GT350R (street and track variants)
Confirms bolt-on fit for 526-hp applications; not suitable for supercharged 5.2L variants or other Modular V8 displacements. Verify your engine code (5.2L Voodoo) before installation.
Packaging and Shipping Details
- Part Weight: Approximately 1.2 lbs.
- Shipping Box Dimensions: 24″ L x 18″ W x 1″ H.





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