Supertech Ford Duratec 2.5L 91mm Bore .040in (1.00mm) Thick MLS Head Gasket, manufacturer part number HG-FDUR25-91-1T, is a new Supertech head gaskets product. It is identified by the exact published engine-family, material, dimension, and package details in the product name. Confirm every current Supertech specification and the engine builder’s required clearances before ordering.

Key Features

• Exact Supertech manufacturer part number HG-FDUR25-91-1T
• Published material or finish: MLS
• Published dimensions include 91mm, 040in, 1.00mm
• New aftermarket head gaskets supplied in the exact configuration shown

Fitment

Supertech Ford Duratec 2.5L 91mm Bore .040in (1.00mm) Thick MLS Head Gasket is engine-application specific. The current manufacturer evidence identifies an engine family or dimensional application but does not support a finite year, make, and model record for Convermax. Confirm the exact engine code, cylinder head or block configuration, dimensions, companion parts, and Supertech part number before ordering.

Specifications

What’s Included

One new Supertech head gaskets package identified by manufacturer part number HG-FDUR25-91-1T, in the quantity and configuration stated in the product title. Only components sealed in the manufacturer package are included.

About Supertech

Supertech develops performance valves, springs, retainers, guides, seals, pistons, rings, connecting rods, head gaskets, and related engine components for exacting street and motorsport engine builds.

Related Supertech Products

• Shop all Supertech products
• Supertech BMW N54 86mm Bore 0.059in (1.5mm) Thick Cooper Ring Head Gasket
• Supertech Ford EcoBoost 2.0L 89mm Bore 0.047in (1.2mm) Thick MLS Head Gasket
• Supertech Ford EcoBoost 2.3L Diam 89mm for Bore 87.5 to 88mm (1.3mm) Thick MLS Head Gasket

Frequently Asked Questions

How do I confirm Supertech HG-FDUR25-91-1T is correct for my engine?
Match the exact manufacturer part number, engine family, dimensions, material, quantity, and every current Supertech application note. Do not select an internal engine component by appearance alone.

Can Supertech HG-FDUR25-91-1T replace a similar-looking component?
Only when Supertech and the engine builder confirm every critical dimension, material, installed height, groove or seat geometry, clearance, and companion component requirement.

What should be checked when installing Supertech HG-FDUR25-91-1T?
Measure all relevant clearances, verify orientation and installed height, confirm companion parts, follow the current engine service procedure, and complete the engine builder’s inspection before operation.

Installation

Professional engine assembly is recommended. Follow the current Supertech instructions and the exact engine service procedure. Clean and measure every mating surface, verify all clearances and installed heights, use the specified lubricants and torque values, rotate the assembly by hand where appropriate, and complete leak, compression, oil-pressure, and valvetrain checks before operation.