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GSC1102-GSC P-D Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32-Valve Seals-GSC Power Division
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GSC P-D Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32

GSC1102
GSC1102
Valve Seals
6 Units In Stock - Ships Next Business Day
$ 78.06 $ 66.35
$ 66.35

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

Request For Information

Have questions about GSC P-D Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32? Fill out the form below and we'll get back to you by the next business day.
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