SKU: 2153-8
GSC P-D Ford Mustang 5.0L Coyote Gen 1/2 2011-2017 32.75mm Head (+1mm) Chrome Polish Exhaust Valve - Set of 8
Equip your 2011-2017 Ford Mustang GT 5.0L Coyote Gen 1/2 engine with GSC Power-Division exhaust valves featuring a 32.75mm +1mm head diameter. These one-piece forged valves enhance exhaust flow to support higher horsepower and RPM levels in performance builds. The set of 8 includes chrome polished stems that reduce friction and wear for reliable operation under demanding conditions.
Key Features
- 32.75mm +1mm Head Diameter: Enlarged head size improves exhaust gas evacuation by up to 10 percent over stock for quicker spool and more power throughout the rev range.
- Chrome Polished Stems: Mirror-like finish on 7.98mm diameter stems cuts guide wear by minimizing friction while aiding heat dissipation to keep valves cool.
- One-Piece 21-4N Stainless Forging: High-strength material resists fatigue and cracking at elevated boost pressures and 9000 plus RPM.
- Precision Dimensions: 109.00mm overall length 7.80mm head thickness and 2.00mm tip ensure drop-in compatibility after minor machining with stock or aftermarket valve seats.
- Complete Set of 8: Matches both cylinder banks for full exhaust valve refresh in Coyote Gen 1/2 engines during rebuilds or upgrades.
Product Notes
- Machine valve seats to accommodate +1mm larger head diameter during installation.
- Pair with GSC valve springs and titanium retainers for valvetrain stability above 8000 RPM.
- Inspect valve guides for wear before installation to maintain seal integrity.
Installation Notes
- Professional installation recommended.
- Resize valve seats using multi-angle cutter for proper 32.75mm head fit and flow optimization.
- Compatible with OEM heads or ported Coyote cylinder heads and GSC retainers.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Ford | Mustang | GT |
| 2015-2017 | Ford | Mustang | GT |
| 2011-2014 | Ford | F-150 | XL XLT Lariat King Ranch Platinum |
| 2015-2017 | Ford | F-150 | XL XLT Lariat King Ranch Platinum |
| 2015-2017 | Ford | Expedition | XL XLT Limited King Ranch Platinum |
Why Choose GSC Power-Division?
- Proven in NHRA Pro Mod and drag radial builds for consistent valvetrain performance.
- Manufactured in USA with in-house forging and CNC machining for tight tolerances.
- Engineered specifically for Coyote platforms with dyno-tested flow gains.
Frequently Asked Questions
-
Q: Will these valves fit 2018 and newer Coyote Gen 3 engines?
A: No these are designed for Gen 1/2 2011-2017 5.0L Coyote only due to combustion chamber and port differences in Gen 3. -
Q: What material and stem finish are used?
A: One-piece forged 21-4N stainless steel construction with chrome polished stems for superior durability low friction and heat management. -
Q: What warranty applies and are upgraded springs required?
A: Backed by GSC one-year unlimited mileage warranty. Upgraded dual valve springs recommended for RPM over 7500 to prevent float.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed with protective foam inserts
- Weight: 1 lb
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