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The Overtake Exhaust Manifold to Head Gasket Set is designed to properly seal the exhaust manifold to the cylinder heads on Subaru EZ30 and EZ36 H6 engines. Built as a direct replacement for the discontinued Subaru OEM gasket 44011AG040, this set uses a full stainless multi-layer steel construction with a stainless steel fire ring at each combustion seal to handle the heat and pressure these engines see.
Where many budget aftermarket gaskets rely on thin, non-stainless stamped material that is prone to the familiar “waffle-gasket” blowout, the Overtake gasket is 22% thicker than the original OEM part. The added thickness and multi-layer design help maintain clamping load, resist distortion, and provide a durable, long-term seal, even on tuned or hard-driven H6 engines.
Engineered specifically for the Subaru Liberty, Outback and Tribeca H6 exhaust layout, this gasket set drops in with no modification and is sold as a matched pair so you can service both cylinder heads in one job. It is also well suited to H6 swap builds where gasket reliability is critical.
Features and Benefits
Direct OEM replacement: Replaces discontinued Subaru gasket 44011AG040 with correct fitment for EZ30/EZ36 H6 engines.
Multi-layer steel construction: Full stainless MLS design with stainless fire rings at the combustion seals for improved durability.
22% thicker than OEM: Increased thickness helps maintain clamping load and reduce the risk of leaks under high heat and pressure.
Resists blowouts: Eliminates common “waffle-gasket” failures seen with thin, non-stainless aftermarket gaskets.
Heat and pressure capable: Designed to survive repeated heat cycling and the higher exhaust pressure of tuned engines.
Vehicle-specific engineering: Built for Subaru H6 Liberty, Outback and Tribeca applications for a reliable, leak-free seal.
Pair for both heads: Supplied as a set of two gaskets so both cylinder heads can be serviced at the same time.
Included Components
2 x Overtake Exhaust Manifold to Head Gaskets (Subaru EZ30/EZ36)
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