SKU: C15703-052 | UPC: 191070589141
Cometic GM LTR Gen-5 Small Block V8 0.052in MLX Cylinder Head Gasket 4.150in Bore 1/2in Studs RHS
The Cometic C15703-052 MLX Cylinder Head Gasket is the best extreme duty head gasket for GM Gen-5 LT small block V8 engines (LTR platform) running high boost, nitrous, or high horsepower applications. Featuring Cometic’s advanced MLX multi-layer steel technology with a 0.052 inch thickness, 4.150 inch bore, and compatibility with 1/2 inch head studs, this right hand side gasket provides superior sealing, combustion pressure resistance, and long-term reliability under the most demanding conditions. Ideal for boosted Camaro, Corvette, Silverado, or custom Gen-5 LT builds where maximum cylinder sealing and performance are required.
Key Features
- MLX Multi-Layer Steel Technology: Advanced embossed design for unmatched sealing under high cylinder pressure
- 0.052 Inch Compressed Thickness: Maintains proper compression ratio while allowing for high boost and power levels
- 4.150 Inch Bore: Precisely sized for 4.150 inch or larger bore Gen-5 LT engines
- 1/2 Inch Head Stud Compatible: Engineered for high clamp load applications
- Right Hand Side Specific: Passenger side gasket for complete engine coverage (order separately for LHS)
- Cometic Quality: USA made with race proven materials trusted in professional motorsport
Specifications
| Specification | Detail |
|---|---|
| Part Number | C15703-052 |
| Engine Family | GM Gen-5 LT Small Block V8 (LTR) |
| Thickness | 0.052 inches (Compressed) |
| Bore Size | 4.150 inches |
| Side | Right Hand Side (RHS / Passenger Side) |
| Material | MLX Multi-Layer Steel |
| Stud Size | 1/2 inch |
| Compatibility | GM Gen-5 LT1, LT4, L83, L86, L87, etc. (High Boost / High HP Applications) |
| Installation | Engine Rebuild / Head Installation |
| Country of Origin | United States |
| Warranty | Limited (Cometic) |
| Shipping Weight | Approx. 1 to 2 lbs |
What’s Included
- One Right Hand Side MLX Cylinder Head Gasket
Product Notes
- Single RHS gasket order C15703-052 for passenger side and corresponding LHS gasket for complete set
- Designed for high performance and boosted Gen-5 LT engines with 4.150 inch or larger bore
- Requires professional engine assembly and proper torque sequence for optimal sealing
Installation Notes
- Estimated time: Application specific (full engine build), advanced difficulty, professional machine shop required
- Use with 1/2 inch head studs, proper surface preparation, and manufacturer recommended torque specs
- Professional engine builder mandatory check deck height, piston protrusion, and head flatness
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| Various | Chevrolet | Camaro, Corvette, Silverado, etc. | Gen-5 LT1, LT4, L83, L86, L87 Small Block V8 (4.150in Bore Applications) |
| Various | GMC | Sierra, Yukon, etc. | Gen-5 LT Series Engines |
Why Choose Cometic MLX Cylinder Head Gasket?
- Advanced MLX multi-layer steel technology provides superior sealing under extreme boost and cylinder pressure
- Precisely engineered for Gen-5 LT engines with 4.150 inch bore and 1/2 inch studs
- Limited warranty trusted in professional racing and high horsepower engine builds
Frequently Asked Questions
- Q: Is this gasket for the left or right side?
A: This is the Right Hand Side (passenger side) gasket. Order the corresponding left side gasket separately for a complete set. - Q: What bore size is it designed for?
A: 4.150 inch bore perfect for stock and many stroked Gen-5 LT engines. - Q: Does it require head studs?
A: Yes, designed for use with 1/2 inch head studs for proper clamping force under boost. - Q: What is the warranty?
A: Covered by Cometic limited warranty built for performance.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 1 to 2 lbs
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