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Manley Stock Diameter; Fully Polished Single Spring; w/ Conical Ovate Wire; High Performance Street/Strip; For use with Steel Retainer # 23629-16 CHRYSLER 300


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Part #: 221430-16
Notes: Stock Diameter
Fully Polished Single Spring
w/ Conical Ovate Wire
High Performance Street/Strip
For use with Steel Retainer # 23629-16
Your Price: $268.11
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Specs

Coil Bind 1.17Max Valve Lift: .600"
ID .630 Top / .780 Bottom
Installed/Open Pressure 130 @ 1.811 / 360 @ 1.236
OD 1.056 Top / 1.206 Bottom
Rate 400lbs/in

All Fitments

CHRYSLER
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2005 - 2007 300 C SRT8 V8 6.1 ALL ALL ALL
2005 - 2008 300 C V8 5.7 ALL ALL ALL
DODGE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2006 - 2007 CHARGER SRT8 V8 6.1 ALL ALL ALL
2006 - 2008 CHARGER DAYTONA R/T
R/T
V8 5.7 ALL ALL ALL
2005 - 2008 MAGNUM R/T V8 5.7 ALL ALL ALL
2006 - 2008 MAGNUM SRT8 V8 6.1 ALL ALL ALL
JEEP
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2006 - 2008 GRAND CHEROKEE SRT8 V8 6.1 N ALL GAS

Product Description

Manley Performance has brought its trademarked NexTek Valve Spring technology to the Chevy LS, Ford Modular, and Chrysler SB HEMI markets. Manufactured from “super clean” Hi-tensile strength chrome silicon steel alloy, these springs offer winning performance, long term reliability and the ultimate value. Our proprietary multi-step heat-treating combined with our shot peening process minimizes load loss and offers superior fatigue life.

Computer-aided modeling of application specific designs has enabled us to bring the very best springs to these niche markets. We’ve utilized ovate wire extensively with many conical designs to render the lightest, highest quality, most reliable springs available today; as well as adding a special polishing feature that helps further improve the fatigue life of the part.

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