Product Questions & Answers
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IE performance valve guides directly replace the OE guides providing longevity, reliability, and performance for your cylinder head build. If your cylinder head has had the valve guides replaced previously, it is recommended to confirm the inside diameter of the holes in the cylinder head before installing new guides. In some cases, the holes in the head have worn, requiring valve guides with larger outside diameters to be used. It is common practice to use oversized guides only where needed; they do not need to be used unless that particular hole is out of specification. Before installing oversized valve guides, be sure to ream the holes to the correct diameter to include the proper press-fit.
All IE valve guides are sold with an undersized inside diameter. This allows the engine builder to ream the guides after installation and set the stem-to-guide clearances exactly where they need to be since different valve materials require different clearances. This feature eliminates any guesswork associated with replacing the guides. To make installation simple, we machine a small centering lip on the tip of each valve guide, which allows them to press into the head straight and consistently. See below section for recommended valve guide clearances.
Valve guides are small cylindrical bushings that press into a cylinder head, giving valves a place to reciprocate with minimal friction and wear. They facilitate valve movement and keep them perfectly centered on the valve seats. Lastly, they allow heat to transfer from the combustion chamber into the cylinder head, which is then cooled by engine coolant.
When it comes time to rebuild your cylinder head, it's very likely that you will find the OEM valve guides worn beyond wear limits. As mileage begins to add up, the inside diameter of your valve guides will wear, causing excessive clearance with the valve stems. Even on engines that have no modifications, it is common to see oil consumption, irregular valve wear, or even complete valve failure if the guides have become excessively worn.
Integrated Engineering performance valve guides work as direct OEM replacements while offering several unique features to improve performance and increase longevity. IE valve guides are manufactured in our CNC machine shop from a proprietary bronze alloy and feature ultra-high concentricity for exact valve placement. This ensures that the head of the valve sits in the exact center of the seat, removing any possibility of leaks. Our premium alloy improves wear resistance, reduces friction, and improves heat transfer. By increasing thermal conductivity by 10%, you can expect extended valve life and reduced wear on valvetrain components.
To increase airflow through the intake and exhaust ports, we have designed our valve guides with an aerodynamic tip that does not protrude into the airstream like the factory units. IE valve guides are designed to directly replace the factory guides and work well for all rebuilds, whether it be an OEM refresh or a complete race engine build!
- Direct replacement for OEM valve guides
- CNC Machined bronze alloy construction
- Increases thermal conductivity by 10%
- Aerodynamic tip to not protrude into airstream
- Integrated Engineering Performance Valve Guide (SOLD INDIVIDUALLY)
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|8P A3 2.0L Turbo I4||FWD ||
|B6 Passat 2.0L Turbo I4||FWD|
|B7 A4 2.0L Turbo I4||FWD ||
|B7 Passat 2.5L I5||FWD|
|B8 A4 2.0L Turbo I4||FWD ||
|B8 A5 2.0L Turbo I4||FWD ||
|B8 Q5 (8R) 2.0L Turbo I4||FWD ||
|C7 A6 2.0L Turbo I4||FWD ||
|MK1 Beetle 2.5L I5||FWD|
|MK1 CC (B6) 2.0L Turbo I4||FWD|
|MK1 EOS (1F) 2.0L Turbo I4||FWD|
|MK1 Tiguan (5N) 2.0L Turbo I4||FWD ||
|MK2 Beetle (5C) 2.0L Turbo I4||FWD|
|MK2 Beetle (5C) 2.5L I5||FWD|
|MK2 TT (8J) 2.0L Turbo I4||FWD ||
|MK2 TTS (8J) 2.0L Turbo I4|
|MK5 GTI 2.0L Turbo I4||FWD|
|MK5 Jetta (1K) 2.5L I5||FWD|
|MK5 Jetta · GLI (1K) 2.0L Turbo I4||FWD|
|MK5 Rabbit 2.5L I5||FWD|
|MK6 GLI (1B) 2.0L Turbo I4||FWD|
|MK6 GLI (1B) 2.0L Turbo I4 [GEN 3]||FWD|
|MK6 Golf 2.5L I5||FWD|
|MK6 GTI 2.0L Turbo I4||FWD|
|MK6 Jetta (1B) 2.5L I5||FWD|
|MK6 R 2.0L Turbo I4|
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