Reinforced head gasket AUDI 2.5 TFSI DAZA DNWA

We offer here several reinforced cylinder head gaskets for the AUDI 2.5 TFSI DAZA DNWA engine from ATHENA and COMETIC, whose technical specifications you will find below.

Below (click on the image) you will find the head studs / bolts for the DAZA DNWA engine:

Technical specification of the original gasket

• Bore: 82.5mm
• Compressed thickness: 0.52mm

Technical specification

• Bore: up to 83.5mm
• Compressed thickness(es) available: 1.40mm
• Gasket type: O-ring
• Reference: 330117R

Designed and manufactured in Italy, Athena reinforced head gaskets are available in two forms:

• MLS: these gaskets are made of several layers of stainless steel stacked and riveted together. The stainless steel layers are laser cut for increased precision and receive an elastomer-based surface treatment (NBR or FKM). To achieve optimal sealing, the cylinder bore and coolant/oil passage contours are embossed. For the most extreme applications, reinforcement is added around the cylinders.
• O-ring: these gaskets consist of a steel sheet covered with asbestos-free aramid fibre and a stainless steel AISI 304 ring (at cylinder level). A bead of silicone applied at critical points (coolant and oil passages) guarantees maximum sealing of the head gasket. This type of gasket is compulsory for heavily turbocharged engines.

Technical specification

• Bore: up to 83.5mm
• Gasket type: MLX
• Number of layers: 5
• Compressed thickness(es) available: 1.40, 1.47, 1.52, 1.63, 1.73, 2.03mm
• References: C14145, C14145-055, C14145-080, H4784058S, H4784060S, H4784064S, H4784068S, H4784080S

Founded by Bob Gorman in 1989, Cometic is recognised worldwide as a leader in the design and manufacture of reinforced head gaskets. Like all the brand's products, these are manufactured in the United States. Cometic reinforced head gaskets are made of several embossed stainless steel layers held together by rivets. There are three types of Cometic head gaskets:

MLS: equivalent to Athena MLS gaskets, these multi-layer gaskets (between 3 and 5 stainless steel layers depending on gasket thickness) feature embossing around the cylinders and fluid passages.

• MLX: this gasket has an identical base to the MLS gasket but with added reinforcement (folded layer) around the cylinders and a special high-temperature coating.

• HP: this is an MLX gasket with an additional layer added to reinforce the sealing of the cylinders (see below)