SKU: 3090.001-1
GSC Power-Division BMW 335i E92 2008-2013 L6 Manganese Bronze Intake Valve Guide Stopper Style +.001in OD - Single
GSC Power-Division Manganese Bronze Intake Valve Guide features stopper style design and +0.001in outer diameter for BMW 335i E92 with N54 or N55 engines. This single guide ensures accurate valve stem alignment and sealing in high-performance applications. Ideal for engine rebuilds or upgrades requiring reliable valvetrain components.
Key Features
- Manganese Bronze Material: Delivers effective heat transfer and resistance to wear during extended high-rpm operation
- Stopper Style Design: Positions guide at exact depth to prevent over-insertion and simplify press-in installation
- +0.001in Outer Diameter: Provides custom clearance for heads with minor bore wear or aftermarket valve seats
- Precision Machining: Matches OEM specs for BMW N54/N55 inline-6 engines with tight tolerances for consistent performance
- Sold as Single: Allows flexible ordering for partial or full sets of 6 intake guides per engine
Product Notes
- Inspect cylinder head valve guide bores before installation to confirm +0.001in sizing
- Clean guides thoroughly after installation to maintain valve stem lubrication
- Packaged in protective sleeve to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Use dedicated valve guide installer tool for press-fit without distortion
- Compatible with stock BMW heads and GSC performance valve seats
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2013 | BMW | 3 Series | 335i E92 |
| 2008-2013 | BMW | 3 Series | 335i xDrive E92 |
| 2008-2013 | BMW | 1 Series | 135i E82 |
| 2009-2013 | BMW | Z4 | sDrive35i E89 |
| 2007-2013 | BMW | 3 Series | 335i E90/E91/E93 |
Why Choose GSC Power-Division?
- Proven in motorsport with N54/N55 race engines worldwide
- High-strength alloys built for daily and track durability
- Exact engineering from CAD design to CNC production
Frequently Asked Questions
-
Q: Will this fit both N54 and N55 engines in 335i E92?
A: Yes, stopper style guides match valve guide bores in both twin-turbo N54 (2008-2010) and N55 (2011-2013) inline-6 engines -
Q: What makes Manganese Bronze suitable for intake guides?
A: Manganese Bronze alloy resists galling from valve stems while conducting heat away from the combustion chamber effectively -
Q: What warranty applies and installation tips?
A: GSC offers defect warranty. freeze head if needed, measure bores with telescoping gauge, install dry with lubricant-free tool
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective sleeve in 4x3x1 inch box
- Weight: 0.05 lbs
GSC Power Division
GSC Power Division camshafts and valvetrain parts for turbocharged import engines are stocked at Black Ops Auto Works. Shop camshafts, valve springs, retainers, valves, and head studs engineered for the Toyota 2JZ, Nissan RB26 and VR38DETT, Mitsubishi 4G63, Subaru EJ257 and FA20, and Honda K20 platforms. Every product is filterable by engine code, cam grind, and application so the correct part ships the first time. Black Ops Auto Works carries 407 GSC Power Division SKUs across camshaft, valvetrain, and engine internal categories. What This Brand Covers GSC Power Division is a specialist engine internals brand focused on camshafts, valve springs, retainers, and valves engineered specifically for high output turbocharged import engines. The catalog is built around specific engine codes rather than complete vehicles, which means the same part often applies across multiple chassis that share an engine platform. Brand Focus GSC Power Division designs valvetrain components for engine...
View GSC Power Division Products
Valve Guides
Valve Guides for LS, Hemi, Honda K-series and D-series, Toyota 2JZ, Subaru EJ and FA, Mitsubishi 4G63 and 4B11T, Nissan KA and VQ, BMW, Porsche, and Hyundai applications are stocked at Black Ops Auto Works. Shop bronze valve guides, manganese bronze valve guides, intake guides, exhaust guides, oversize guides, cylinder head rebuild parts, and valvetrain hardware for proven street, drag, road course, and high horsepower engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 208 valve guide SKUs across the fitments and build levels enthusiasts actually use. What Valve Guides Cover Valve guides locate the valve stem in the cylinder head so the valve seals, moves smoothly, and transfers heat correctly. This collection includes manganese bronze, bronze, standard-size, and oversize guides for performance cylinder head service. Intake and exhaust guide material Material, wall t...
View Valve Guides Products
Valves & Components
Valves and valvetrain components for import, domestic, and performance engine platforms are stocked at Black Ops Auto Works. Shop intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, and lash caps for Toyota 2JZ and Supra, Honda K-Series, Nissan RB and SR20, BMW B58 and S58, Subaru FA20, Ford Coyote, and GM LS platforms. Every part is filterable by year, make, model, and engine so builders and tuners can confirm fitment before ordering. Black Ops Auto Works carries 1,391 valvetrain SKUs from proven performance brands. What This Category Covers Valves and valvetrain components manage airflow into and out of the combustion chamber and keep the valvetrain sealed and stable at high RPM. This collection spans intake valves, exhaust valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and cam follower shims. Why the Valvetrain Matters for Pe...
View Valves & Components Products


