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SKU: 3018-12
GSC Power-Division EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12 (2011-2020 Ford 3.5L V6)
GSC Power-Division manganese bronze valve guides deliver reliable valvetrain support for Ford 3.5L EcoBoost V6 engines in F-150, Explorer, Expedition and more. This set of 12 covers all intake or all exhaust positions on 6-cylinder DOHC heads with 2 valves per side per cylinder. Engineered to handle high boost and RPM for track or street performance.
Key Features
- Manganese Bronze Material: Resists wear and galling while conducting heat away from valve stems for consistent operation under boost
- Precision Dimensions: Inner diameter suits 7.95-8.00mm valve stems with OEM-length fit for direct replacement in stock or ported heads
- Set of 12 Coverage: Complete kit for one bank of intake or exhaust valves on 3.5L EcoBoost V6 simplifying rebuilds
- High-Temperature Durability: Maintains tight clearances in turbocharged applications preventing stem-to-guide issues
- Performance Matched: Works with GSC cams, springs, and retainers for full valvetrain upgrades
Product Notes
- Specify intake or exhaust application during high-performance builds as one set covers half the valvetrain
- Inspect head for wear before installation and ream to spec if upgrading valve sizes
- Ships ready for immediate use in protective packaging
Installation Notes
- Professional installation recommended.
- Verify guide height protrusion of 0.885-0.895 inches and ream ID to 0.3145-0.3150 inches post-install
- Compatible with stock heads or aftermarket porting no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2020 | Ford | F-150 | 3.5L EcoBoost V6 |
| 2017-2020 | Ford | F-150 Raptor | 3.5L EcoBoost V6 |
| 2011-2019 | Ford | Expedition | 3.5L EcoBoost V6 |
| 2011-2019 | Ford | Explorer | 3.5L EcoBoost V6 |
| 2011-2017 | Ford | Flex | 3.5L EcoBoost V6 |
| 2010-2019 | Ford | Taurus | SHO 3.5L EcoBoost V6 |
| 2011-2016 | Lincoln | MKS | 3.5L EcoBoost V6 |
| 2011-2017 | Lincoln | MKT | 3.5L EcoBoost V6 |
| 2015-2019 | Lincoln | Navigator | 3.5L EcoBoost V6 |
Why Choose GSC Power-Division?
- Proven in drag racing and road course motorsports with Ford EcoBoost builds
- Manufactured to exact tolerances using premium alloys for long-term reliability
- Backed by engineering focused on turbocharged V6 performance applications
Frequently Asked Questions
-
Q: Does this fit 2015-2020 Ford F-150 3.5L EcoBoost?
A: Yes covers Gen 1 and Gen 2 3.5L EcoBoost V6 in F-150 including Raptor models with DOHC heads -
Q: What material are these valve guides?
A: Manganese bronze alloy chosen for its strength lubricity and heat transfer properties in high-boost environments -
Q: Is professional installation required?
A: Recommended due to precise reaming and clearance checks but straightforward for experienced builders with freeze plugs removed
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 4 x 2 inches
- Weight: 0.60 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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