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1. MSD SRT-4 Upgraded Coil Pack
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Neon SRT-4 Performance Parts | TurboNeonStore.com :: Engine :: Ferrea Dual Valve Spring / Retainer / Seat Kit - Neon SRT-4

::. Ferrea Dual Valve Spring / Retainer / Seat Kit - Neon SRT-4
Ferrea Dual Valve Spring / Retainer / Seat Kit - Neon SRT-4 
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 silicone 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 teh stability needed for high lift, high rpm racing engines, while minimizing the load loss for today's aggressive valvetrain combinations.

Spring O.D. - 28.0mm
Spring I.D. - 16.51mm, HIGH 15.88mm
Seat Pressure - 90 lbs. HIGH 105 lbs.
Open Pressure - 200 lbs. HIGH 235 lbs.
Rate Inch - 279 lbs. HIGH 330 lbs.
Coil Bind - 23mm, HIGH 23.5mm
Max Net Lift - 12mm

This kit is more than just the dual springs, it is an entire kit which includes Ferrea Enhanced Alloy Dual Springs, Ferrea Titanium Retainers, and Ferrea Spring Seat Locators.

SKU S10107+E11079+SL1061
Price: $703.95



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There was an issue with my credit card which they fixed fast and to make up for it they upgraded my shipping to Same Day for FREE!!!, and I got my parts in time for some AutoX. Thanks TNS.

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