SKU: 1102
GSC Power-Division Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32 (2018-2023)
GSC Power-Division valve stem seals deliver precise oil control for 2018-2023 Ford Mustang GT 5.0L Gen 3 Coyote engines. This set of 32 seals features an integrated spring seat for accurate valve spring installation and reduced oil consumption during high-rpm operation. Engine builders choose these seals for reliable performance in street and track applications.
Key Features
- Positive Seal Design: Seals tightly on both intake and exhaust strokes to block oil from entering combustion chambers and reduce smoke.
- Integrated Spring Seat: Built-in locator ensures perfect spring alignment lowers stack height and prevents movement under extreme loads.
- High-Temperature Viton Material: Resists heat up to 450°F maintains flexibility and sealing integrity in boosted or naturally aspirated setups.
- Exact OEM-Sized Fit: Matches Gen 3 Coyote valve stem dimensions for drop-in installation without modifications.
- Complete V8 Set: Includes 16 intake and 16 exhaust seals covering all valves on 5.0L Coyote engines.
Product Notes
- Inspect valve guides before installation to ensure proper seal contact.
- Use assembly lube on seals during install to prevent damage.
- Store in original packaging away from contaminants until use.
Installation Notes
- Professional installation recommended.
- Remove valve springs using air pressure or spring compressor tool.
- Compatible with stock or aftermarket Coyote valve springs and retainers.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2023 | Ford | Mustang | GT 5.0L |
| 2018-2023 | Ford | Mustang | GT Premium 5.0L |
| 2018-2023 | Ford | Mustang | GT500 5.0L Supercharged |
Why Choose GSC Power-Division?
- Proven in NHRA and drag racing Coyote builds for dependable valvetrain control.
- CNC-machined components from premium materials for consistent results.
- Engineered by valvetrain specialists focused on high-performance Ford applications.
Frequently Asked Questions
-
Q: Will these fit 2015-2017 Mustang 5.0L Coyote engines?
A: No these seals are designed specifically for Gen 3 Coyote valves with updated stem and guide specs from 2018-2023 models. -
Q: What material are the seals made from?
A: Viton fluoroelastomer compound rated for extreme heat and oil resistance ideal for performance engines. -
Q: Do these require special tools for installation?
A: Standard valve seal install tools work use a seal driver for even pressure and air hold-down for spring removal.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact plastic tray in 6 x 4 x 2 inch box
- Weight: 0.75 lbs
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