What does the MLX technology do for this head gasket?

The MLX technology uses an integrated stopper layer. This layer helps seal the combustion chamber and improves clamp load around the cylinder without causing bore distortion.

Do I need to use any sealant with this Cometic head gasket?

No, this Cometic head gasket is designed to be installed without any additional sealants. It also does not require a re-torque procedure after installation.

What vehicles does this specific head gasket fit?

This head gasket is designed for the right side of GM LS9/LSA Gen-4 Small Block V8 engines found in the 2009-2015 Cadillac CTS, 2012-2015 Chevrolet Camaro, and 2009-2013 Chevrolet Corvette.

Specifications

Brand: Cometic Gasket
Part #: C5985-051
UPC: 191070029494

Cometic 09+ GM LS9 4.100in Bore .051 thick MLS RHS Head Gasket

Name: Cometic 09+ GM LS9 4.100in Bore .051 thick MLS RHS Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-09-gm-ls9-4-100in-bore-051-thick-mls-rhs-head-gasket-t14-135755
Price: 123.48 USD
Availability: BackOrder

$123.48

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2009-2015 Cadillac CTS. Cometic MLS head gasket for LS9/LSA engines, 4.100in bore, .051in thick, RHS. No sealants or re-torque needed.

Key Features

Fits 2009-2015 Cadillac CTS, 2012-2015 Chevrolet Camaro, and 2009-2013 Chevrolet Corvette.
Right Side (RHS) head gasket for GM LS9/LSA Gen-4 Small Block V8 engines.
Features a 4.100-inch bore and a compressed operating thickness of 0.051 inches.
Constructed with multiple embossed stainless steel layers and a Viton rubber coating on the outer layers.
Utilizes Cometic's MLX (Multi-Layer Stopper) technology for improved combustion chamber sealing and clamp load.
Requires no sealants or re-torque after installation for a straightforward assembly.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will it fit your car?

Fits these vehicles

Cadillac CTS 2009-2015
Chevrolet Camaro 2012-2015
Chevrolet Corvette 2009-2013

About this part

Product Details

This Cometic Multi-Layer Stopper (MLS) head gasket is built for the right side of your GM LS9 or LSA Gen-4 Small Block V8 engine. It features a compressed operating thickness of 0.051 inches and is designed for a 4.100-inch bore. The outer layers are coated with Viton rubber over embossed stainless steel, a combination that helps ensure a solid seal without needing additional sealants or a re-torque procedure after installation.

Cometic's MLX technology incorporates an integrated stopper layer. This layer is specifically designed to seal the combustion chamber effectively and handle improved clamp load around the cylinder. This design helps prevent bore distortion while maintaining a strong seal, making it a reliable choice for these high-performance V8 engines. It's a well-built component for rebuilding or maintaining your engine's top end.