FERREA SL1178 Spring Seat Locator for FORD Mustang GT (S197 / S550 / S650) / FORD F-150 (Mk13 / Mk14)

Description FERREA SL1178 Spring Seat Locator for FORD Mustang GT (S197 / S550 / S650) / FORD F-150 (Mk13 / Mk14)

The FERREA SL1178 spring seat locator is designed for Ford Coyote 5.0L DOHC 32-valve engines used in Mustang GT (S197/S550/S650) and F-150 (Mk13/Mk14) applications. It provides precise and stable positioning of the valve spring, ensuring consistent valvetrain control under high-load and high-RPM operation. The component is engineered to function as part of a one-piece assembly that integrates the locator with the valve seal. It is required when using Ferrea valve springs S2027 and S10181.

• Ensures accurate spring seating for Coyote 5.0L DOHC valvetrain
• One-piece construction used with corresponding valve seal
• Compatible with Ferrea springs S2027 and S10181
• Suitable for OEM and performance engine configurations

Specifications:

• Locator Thickness: 0.040
• Locator Outside Diameter: 1.055
• Locator Inside Diameter: 0.660
• Spring Outside Diameter: 1.055
• Engine Compatibility: Ford Coyote 5.0L DOHC 32V (2010–2015, 2018–2024)
• Required Springs: Ferrea S2027, S10181