Ferrea Dual Valve Spring | 2000-2005 Porsche 996 (S10122)

2000-2005 Porsche 996 Dual Valve Spring by Ferrea

Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled. Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear.

Ferrea Valve Springs are developed from high strength alloys, including premium grade chrome silicon steel. These springs are manufactured with state-of-the-art equipment. Our springs are heat-treated and stress relieved, which dramatically increases the spring’s life. Strict quality control procedures and cycle testing ensures consistency from batch to batch. Ferrea Valve Springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today€™s aggressive valvetrain combinations.

Please Note: This spring requires Ferrea Titanium Retainer # E11094 AND Ferrea Spring Seat Locator # SL1099. (Discard OEM Spring Seat Locators). Ferrea Seat Locators must be installed before valve seal installation and Max Net Lift is limited to 11.20mm due to spring retainer and valve seal clearance.

Features

• Dual Spring/Turbo/Special Alloy
• Outside Diam: 20.8mm/28mm
• Inside Diam: 15.88mm/20.8mm
• Seat Pressure: 98lbs @ 33.05
• Open Pressure: 220lbs @ 24.5mm
• Rate In: 309lbs
• Coil Bind: 20.0mm
• Max Net Lift: 11.2mm

Benefits

• Reduce valvetrain component wear
• Provide the stability needed for high lift, high rpm racing engines
• Helps minimize the load loss for today's aggressive valvetrain combinations

Applications

• 2000-2005 Porsche 996 3.6L - FLAT 6 CYL - DOHC 24 VALVE

What's In The Box?

• 1 - Valve Spring

Warranty

• No Warranty