Chevy GM LSX MLS Multi Layered Steel Head Gasket Set (4.200" @ 0.040")

No Reviews yet
MPN: PCE348.1033 UPC: 840136544548
Available Extended Warranty Eligible
US $60.20

Build to Order


Part Number:PCE348.1033
Part Type: Head Gaskets
Bore (in):4.200 in.
Gasket Material:Multi-layer steel
Compressed Thickness (in):0.040 in.
Lock Wire:No
Quantity:Sold as a pair.
CalculatorCompression Calculator


Speedmaster head gaskets are proven to handle big power any way you can make it. Speedmaster gaskets are designed to maintain contact pressure between the cylinder head and block during the dynamics of engine operation. Speedmaster MLS gaskets use a high pressure steel laminate design known for standingup against the extremely high shearing forces that occur between an aluminumhead and iron block.It's internal embossments expand heat to create a better seal when the engine isseeing extremely high combustion pressures and temperatures as is the case withheavy nitrous and turbocharged applications. MLS (Multi Layer Steel) is ideal for both aluminum heads to cast iron blocksand aluminum heads to aluminum blocks.These gaskets offer better torque retention, less distortion, and better sealing than conventional or composite head gaskets in high-horsepower, high cylinder-pressure applications.

Brand Information

Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed and manufactured in its workshops. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters.

In 1979, the company was founded with Pete’s Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which en

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Ratings & Reviews

No reviews available

Be the first to Write a Review