FERREA S99103 Dual Valve Springs SB LT2 Pro Dual .925 1275 for CHEVROLET Corvette (C8)

Description FERREA S99103 Dual Valve Springs SB LT2 Pro Dual .925 1275 for CHEVROLET Corvette (C8)

The FERREA S99103 dual valve springs are engineered for the Small Block Corvette C8 LT2 engine, providing reliable performance in endurance-oriented applications. Manufactured from Pro PAC alloy, this dual-spring configuration delivers precise control of valve motion under high load conditions and supports elevated lift requirements in performance builds.

• Dual-spring construction for high-load valvetrain stability
• Pro PAC alloy design for endurance applications
• Compatible with LT2 engine configurations requiring increased seat and open pressures
• Requires use of Ferrea titanium retainer E12046 and Ferrea spring seat locators SL1185 and SL1183 (hat seal replaces OEM component)

Specifications:

• Outside Diameter: 0.925 / 1.275
• Inside Diameter: 0.65 / 0.925
• Seat Pressure: 155 lbs @ 1.900
• Open Pressure: 480 lbs @ 1.200
• Rate: 464 lbs/in
• Coil Bind: 1.130
• Max Net Lift: 0.700