FERREA S2027 Valve Spring FO SO 1061 80/260 5.0 2018 BH for FORD Mustang GT (S550 / S650) / FORD F-150 (Mk13 / Mk14)

Description FERREA S2027 Valve Spring FO SO 1061 80/260 5.0 2018 BH for FORD Mustang GT (S550 / S650) / FORD F-150 (Mk13 / Mk14)

The FERREA S2027 valve spring is engineered for the Ford Coyote 5.0L DOHC 32-valve engine (2018–2024), offering a high-lift single beehive design suitable for street and strip applications. Manufactured from ovate/PAC alloy, the spring provides stable valve control under increased lift and high-RPM operation. It is compatible with Ford Mustang GT (S550/S650) and Ford F-150 (Mk13/Mk14) models requiring upgraded valvetrain performance.

• Single beehive spring profile for improved stability and reduced mass
• Ovate/PAC alloy construction for high-lift applications
• Designed for Coyote 5.0L engines from 2018–2024
• Suitable for street and strip performance setups
• Requires specific FERREA retainers and seat locators for correct installation

Specifications:

• Outside Diameter: 0.985 / 1.061
• Inside Diameter: 0.636 / 0.698
• Seat Pressure: 80 lbs @ 1.820
• Open Pressure: 260 lbs @ 1.200
• Rate: 277 lbs/inch
• Coil Bind: 1.110
• Max Net Lift: 0.620
• Required Components: Ferrea Titanium Retainer E12043 or Tool Steel Retainer E20060; Ferrea Spring Seat Locators SL1178 (Hat Seal) and SL1169