Manley Stock Diameter; Single Spring; w/ Conical Ovate Wire; High Performance Street / Strip; For use with Steel Retainer # 23620-16; For use with Titanium Retainer # 23622-16 / 23625-16 (+.050) CHEVROLET CAMARO


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Part #: 221428-16
Notes: Stock Diameter
Single Spring
w/ Conical Ovate Wire
High Performance Street / Strip
For use with Steel Retainer # 23620-16
For use with Titanium Retainer # 23622-16 / 23625-16 (+.050)
Your Price: $238.13
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Specs

Coil Bind 1.085" Max Valve Lift: .600"
ID .650" Top / .885" Bottom
Installed/Open Pressure 150 @ 1.800 / 355 @ 1.200
OD 1.076" Top / 1.311" Bottom
Rate 341lbs/in

This Item Also Available In

Part Number Price Notes & Specs
221423-16 $215.31 Notes Stock Diameter
Single Spring
w/o Damper Ovate Wire
Street / Strip Applications
For use with Steel Retainer # 23631-16
For use with Titanium Retainer # 23632-16 / 23633-16 (+.050)
Coil Bind 1.100" Max Valve Lift: .575"
ID .830"
Installed/Open Pressure 115 @ 1.750" / 350 @ 1.175"
OD 1.255"
Rate 409lbs/in
221436-16 $225.09 Notes Fully Polished
Double Spring
w/o Damper
High Performance Street / Strip
For use with Steel Retainer # 23621-16
For use with Titanium Retainer # 23623-16
Coil Bind 1.100" Max Valve Lift: .660"
ID .676"
Installed/Open Pressure 155 @ 1.810 / 405 @ 1.150
OD 1.295"
Rate 379lbs/in

All Fitments

CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1985 - 1992 CAMARO BASE
IROC-Z
Z28
V8 5.7 N ALL GAS
1998 - 2002 CAMARO Z28 V8 5.7 ALL ALL ALL
1985 - 1992 CORVETTE ALL ALL ALL ALL ALL ALL
1997 - 2004 CORVETTE BASE ALL ALL ALL ALL ALL
PONTIAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1985 - 1992 FIREBIRD BASE
FORMULA
TRANS AM
TRANS AM GTA
V8 5.7 N ALL ALL
1998 - 2002 FIREBIRD FORMULA V8 5.7 ALL ALL ALL
2004 - 2004 GTO ALL ALL ALL ALL ALL ALL

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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