-9%
Sold out
Photo - Primary
Click to zoom in

Cometic GM LTR Gen-5 Small Block V8 .052in MLX Cylinder Head Gasket-4.150in Bore-1/2in Studs-LHS

CGSC15704-052
Head Gaskets
Out of stock
$ 144.73 $ 130.26

SKU: C15704-052

Cometic GM LTR Gen-5 Small Block V8 0.052in MLX Cylinder Head Gasket 4.150in Bore 1/2in Studs LHS

The Cometic C15704-052 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 left 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
  • Left Hand Side Specific: Driver side gasket for complete engine coverage (order separately for RHS)
  • Cometic Quality: USA made with race proven materials trusted in professional motorsport

Specifications

Specification Detail
Part Number C15704-052
Engine Family GM Gen-5 LT Small Block V8 (LTR)
Thickness 0.052 inches (Compressed)
Bore Size 4.150 inches
Side Left Hand Side (LHS / Driver 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 Left Hand Side MLX Cylinder Head Gasket

Product Notes

  • Single LHS gasket order C15704-052 for driver side and corresponding RHS 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 Left Hand Side (driver side) gasket. Order the corresponding right 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

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Cometic Gasket

Cometic Gasket

Cometic Gasket produces precision-machined engine sealing components used by professional engine builders and race teams worldwide. MLS head gaskets, intake gaskets, and complete engine gasket sets from Cometic are engineered to hold seal under the elevated cylinder pressure and heat cycling that OEM gaskets cannot always survive in high-performance applications.Popular UpgradesCometic MLS (multi-layer steel) head gaskets are the most-requested upgrade for turbocharged, supercharged, and naturally aspirated builds where cylinder pressure exceeds the limits of OEM composite gaskets. Available in bore sizes and thicknesses calibrated to manage compression ratio, Cometic MLS head gaskets are a standard specification for any serious engine build. Intake manifold gaskets, exhaust gaskets, and cam cover sets round out the range for complete engine assembly work.Why use Cometic MLS head gaskets over OEM?Cometic MLS head gaskets use multiple layers of embossed stainless steel that create a ...

View Cometic Gasket Products
Engine

Engine

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

View Engine Products
Head Components

Head Components

This collection covers cylinder head components including head gaskets, head studs, and complete head assemblies for performance engine builds and high-output applications, serving vehicle owners and builders who need reliable components for maintenance, restoration, or performance enhancement. Arp head studs, cometic head gaskets, and edelbrock or afr cylinder heads are foundational brands in performance cylinder head work, providing buyers with the confidence that comes from sourcing from recognized suppliers with documented fitment data. Proper head bolt torque sequence and head gasket compression thickness selection directly affect combustion sealing integrity and engine longevity, and selecting the correct specification for the specific application is the most important step before any installation. Whether the goal is restoring OEM function, addressing a worn component, or improving beyond factory performance, this collection addresses each need with confirmed-fit parts. Popul...

View Head Components Products
Head Gaskets

Head Gaskets

This collection covers cylinder head components including head gaskets, head studs, and complete head assemblies for performance engine builds and high-output applications, serving vehicle owners and builders who need reliable components for maintenance, restoration, or performance enhancement. Arp head studs, cometic head gaskets, and edelbrock or afr cylinder heads are foundational brands in performance cylinder head work, providing buyers with the confidence that comes from sourcing from recognized suppliers with documented fitment data. Proper head bolt torque sequence and head gasket compression thickness selection directly affect combustion sealing integrity and engine longevity, and selecting the correct specification for the specific application is the most important step before any installation. Whether the goal is restoring OEM function, addressing a worn component, or improving beyond factory performance, this collection addresses each need with confirmed-fit parts. Popul...

View Head Gaskets Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×