Manley Performance 26140 Valve Spring Kits - Manley Honda K20A/K20Z Valve Spring and Retainer Kit (w/o Valve Locks) for a 2006-2011 Honda Civic Si, 2008-2008 Honda Civic MUGEN Si and 2002-2006 Acura RSX Type-S.
Image(s) for display purposes only. Actual product may vary.
Manufacturer: Manley Performance
Product: Manley Performance Valve Spring Kits
Part Number: 26140
UPC: 807298044996
MSRP: $542.37
$515.25
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
OUT OF STOCK
SPECIAL ORDER
Have a question regarding this product? Contact us.
Fitment:
NOTES: Manley Honda K20A/K20Z Valve Spring and Retainer Kit (w/o Valve Locks)
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2006 - 2011 | Honda | Civic | Si | ||
| 2008 - 2008 | Honda | Civic | MUGEN Si | ||
| 2002 - 2006 | Acura | RSX | Type-S |
Description:
Max Lift: .540? - Spring: 22140-16 - Titanium Retainer: 23140-16. Manley Sport Compatct Valve Spring and Retainer Kit.
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.
Related Links:
02-06 Acura RSX Valve Springs, Retainers06-11 Honda Civic Valve Springs, Retainers
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IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
Skunk2 Racing Alpha Spring/Retainer Kit 344-05-1410
ETA: 04/09/2026*
*This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time.
SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
Skunk2 Alpha Series Honda/Acura K Series Valve Spring and Titanium Retainer Kit
ETA: 04/09/2026*
*This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time.
SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
Brian Crower Retainers BC2011
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IN STOCK
2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
2000-2001 Acura Integra Type R
1997-1998 Acura Integra Type R
1994-2001 Acura Integra GS-R
1994-1997 Honda Civic del Sol VTEC
2002-2015 Honda Civic Si
1999-2000 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
1997-2001 Honda Prelude Base
1997-2001 Honda Prelude Type SH
1993-1996 Honda Prelude VTEC
2000-2009 Honda S2000 Base
2008-2009 Honda S2000 CR
2002-2006 Acura RSX Base
2000-2001 Acura Integra Type R
1997-1998 Acura Integra Type R
1994-2001 Acura Integra GS-R
1994-1997 Honda Civic del Sol VTEC
2002-2015 Honda Civic Si
1999-2000 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
1997-2001 Honda Prelude Base
1997-2001 Honda Prelude Type SH
1993-1996 Honda Prelude VTEC
2000-2009 Honda S2000 Base
2008-2009 Honda S2000 CR
Skunk2 Racing Titanium Retainers 308-05-1410
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IN STOCK
2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
2002-2015 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
2016-2016 Honda Civic LX-P
2016-2017 Honda Civic LX
2016-2017 Honda Civic EX
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2002-2015 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
2016-2016 Honda Civic LX-P
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2016-2017 Honda Civic EX
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IN STOCK - LOW
2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
2002-2006 Acura RSX Base
2002-2011 Honda Civic Si
2008-2008 Honda Civic MUGEN Si
