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2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
$2,445.00
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Manley Performance LS Valve Spring Kit
[26362134KS]


$339.99
   Manufacturer:Manley
   Description:NexTek® Series valve springs have been tested by leading engine builders and are confirmed to be the best performing valve springs on the market today. Higher natural frequency and lower active mass provides improved valvetrain control and higher RPM potential. Dual spring design reduces friction, which generates less heat and translates into greatly reduced load loss. Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control. This kit features specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities. Super Finished multi-step surface enhancement significantly improves fatigue strength. Extensively tested on the Spintron, dyno, and race track (including blown nitro engines) and proven highly effective.

This kit includes NexTek Series fully polished double springs, 7° steel retainers, ID locators, machined valve locks, and Viton valve stem seals. All springs are triple except 221424, 221425 & 221454 which are double w/o damper.

Features:
NexTek H.P. Valve Spring Kit
GM LS-series
1.295'' O.D. and 0.676'' I.D.
379 lbs./in. Spring Rate
155 @ 1.810'' / 405 @ 1.150''
0.660'' Max Valve Lift
Double Spring (No Damper)
+.050" 7° Steel Retainer
Viton Valve Seals
Steel retainers
Unequaled performance
Better valve train stability and component life
No degradation of spring pressure in the later stages of a race
Accepts smaller, lighter retainers which promotes higher revs
Ultra clean, high tensile strength chrome silicon material
Ideal loads for multiple applications with minimal load loss

This product was added to our catalog on Friday 13 July, 2018.
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