NEXTEK VALVE SPRINGS AND RETAINERS
Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure long service life with high lift camshafts. Retainers are manufactured in our own double spindle CNC machines to exacting tolerances and precise installed height specifications. |
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| NEXTEK VALVE SPRINGS - learn more about our valve springs |
| Part No. |
Description |
Max Valve Lift |
O.D. |
I.D. |
Installed/Open Pressure |
Rate (lbs/in) |
Coil Bind |
Retainer # |
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| Stock Diameter Fully Polished Single Conical Ovate Wire |
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| 221430-16* |
Chrysler Hemi 5.7L, 6.1L
High Performance Street/Strip |
.600" |
1.056 Top
1.206 Bottom |
.630 Top
.780 Bottom |
130 @ 1.811
360 @ 1.236 |
400 |
1.170 |
23629-16 |
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| * These Chrysler Hemi springs come with shims which are ONLY needed for 6.1L applications on the intake side in order to achieve the correct intalled heights. |
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| 7 ° TITANIUM RETAINERS - learn more about our retainers |
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Valve Stem
Diameter |
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Dimensions |
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| Part # |
Quantity |
Spring |
Degree |
A |
B |
C |
Height |
Valve Locks |
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| 7° Titanium |
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| 23629-16 |
16 pcs. |
221430-16 |
.3125" |
7° |
.915" |
.620" |
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Stock |
Stock |
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