Manley Performance 221428-16 Valve Spring Kits - Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs for a 1987-1990 Chevrolet Camaro Iroc-Z, 1991-2002 Chevrolet Camaro Z28, 1985-2004 Chevrolet Corvette Base, 1986-1986 Chevrolet Corvette Indianapolis 500 Pace Car, 1988-1988 Chevrolet Corvette 35th Anniversary Edition and 1990-1992 Chevrolet Corvette ZR-1.
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Manufacturer: Manley Performance
Product: Manley Performance Valve Spring Kits
Part Number: 221428-16
UPC: 807298045771
MSRP: $332.93
$309.47
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK (5+)
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(Last checked: 02/15/2026)
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Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
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Fitment:
NOTES: Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1987 - 1990 | Chevrolet | Camaro | Iroc-Z | ||
| 1991 - 1992 | Chevrolet | Camaro | Z28 | ||
| 1998 - 2002 | Chevrolet | Camaro | Z28 | ||
| 1985 - 1992 | Chevrolet | Corvette | Base | ||
| 1986 - 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car | ||
| 1988 - 1988 | Chevrolet | Corvette | 35th Anniversary Edition | ||
| 1990 - 1992 | Chevrolet | Corvette | ZR-1 | ||
| 1997 - 2004 | Chevrolet | Corvette | Base |
Description:
Manley Valve Spring, SPRING-1.311 SINGLE..
Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs
Manley Small Block Chevy LS Series .600in Lift Single NexTek High Perf Valve Springs
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