FERREA S10182 Valve Spring for HONDA Civic Si (FC1)

Description FERREA S10182 Valve Spring for HONDA Civic Si (FC1)

The FERREA S10182 valve spring is engineered for the Honda Civic Si 1.5L DOHC VTEC (L15 Turbo) application. Designed as a single spring made from a special alloy, it is suitable for turbocharged enduro use, providing stable valve control under elevated cylinder pressures and high engine speeds. The progressive wound coil configuration ensures controlled operation throughout the full lift range.

• Single-spring construction from special alloy for turbo enduro applications
• Progressive coil design for stable valve control across operating range
• Compatible with FERREA titanium retainers and spring seat locators
• Designed for intake and exhaust positions with dedicated pressure ratings
• Requires installation with stacked coil end positioned at the bottom

Specifications:

• Outside Diameter: 21.35 mm
• Inside Diameter: 14.98 mm
• Seat Pressure: 65 lbs @ 45.70 mm (INT) / 60 lbs @ 43.10 mm (EXH)
• Open Pressure: 130 lbs @ 35.70 mm (INT) / 125 lbs @ 33.10 mm (EXH)
• Rate: 165 lbs/in
• Coil Bind: 34.30 mm (INT) / 31.30 mm (EXH)
• Max Net Lift: 10.50 mm (INT) / 10.80 mm (EXH)
• Required Components: Ferrea Titanium Retainers E11151 (INT), E11150 (EXH)
• Required Components: Ferrea Spring Seat Locators SL1182 (INT), SL1181 (EXH)