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GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.
When performing a precision cylinder head rebuild on a BMW N54 engine, achieving the perfect press-fit is vital. This GSC Power Division Manganese Bronze Exhaust Valve Guide features a +.001in oversized outer diameter, allowing engine builders to achieve the correct interference fit in heads where the guide bore may have been slightly opened during machining or wear. This single guide provides the flexibility needed for custom engine builds.
Using the correct valve guide fitment is essential for heat transfer from the valve to the cylinder head. If the fit is too loose, heat buildup can lead to valve failure. This oversized guide allows for a professional-grade installation, ensuring the guide remains secure and heat transfer remains efficient. Whether you are addressing a single worn bore or performing a full performance build, GSC Power Division provides the components necessary for a reliable, high-performance engine. Trust your build to the quality of GSC, available exclusively at GGCRACING.
| Brand | GSC Power Division |
|---|---|
| Manufacturer part number | 3089.001-1 |
| GGC SKU | GSC3089.001-1 |
| UPC / GTIN | 30890011 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 3.8 × 2 × 0.1 in |
|---|---|
| Shipping weight | 0.05 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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