GM LS-Series

Manley NexTek H.P. Valve Spring GM LS-series
NexTek H.P. Valve Spring
  • GM LS-series
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 341 lbs./in. Spring Rate
  • 150 @ 1.800'' Installed
  • 355 @ 1.200'' Open
  • 0.600'' Max Valve Lift
  • 1.085'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
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    • $15.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 341 lbs./in. Spring Rate
  • 150 @ 1.800'' Installed
  • 355 @ 1.200'' Open
  • 0.600'' Max Valve Lift
  • 1.085'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $247.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Spring GM LS-series
    NexTek H.P. Valve Spring
  • GM LS-series
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 150 @ 1.800'' Installed
  • 375 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $18.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 150 @ 1.800'' Installed
  • 375 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $301.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Spring GM LS-series
    NexTek H.P. Valve Spring
  • GM LS-series
  • 1.295'' O.D.
  • 0.676'' I.D.
  • 379 lbs./in. Spring Rate
  • 155 @ 1.810'' Installed
  • 405 @ 1.150'' Open
  • 0.660'' Max Valve Lift
  • 1.100'' Coil Bind
  • Double Spring (No Damper)
  • 1/pkg.
    View Details
    • $15.99
    Estimated to ship directly from the manufacturer on 08/28/18
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.295'' O.D.
  • 0.676'' I.D.
  • 379 lbs./in. Spring Rate
  • 155 @ 1.810'' Installed
  • 405 @ 1.150'' Open
  • 0.660'' Max Valve Lift
  • 1.100'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
    View Details
    • $240.99
    Estimated to ship directly from the manufacturer on 08/28/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Spring GM LS-series
    NexTek H.P. Valve Spring
  • GM LS-series
  • 1.340'' O.D.
  • 0.726'' I.D.
  • 394 lbs./in. Spring Rate
  • 170 @ 1.810'' Installed
  • 450 @ 1.110'' Open
  • 0.700'' Max Valve Lift
  • 1.050'' Coil Bind
  • Double Spring (No Damper)
  • 1/pkg.
    View Details
    • $22.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.340'' O.D.
  • 0.726'' I.D.
  • 394 lbs./in. Spring Rate
  • 170 @ 1.810'' Installed
  • 450 @ 1.110'' Open
  • 0.700'' Max Valve Lift
  • 1.050'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
    View Details
    • $358.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
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    Manley Polished NexTek H.P. Valve Spring GM LS-series
    NexTek H.P. Valve Spring
  • GM LS-series
  • 1.324'' O.D.
  • 0.676'' I.D.
  • 435 lbs./in. Spring Rate
  • 165 @ 1.800'' Installed
  • 515 @ 1.000'' Open
  • 0.800'' Max Valve Lift
  • 0.900'' Coil Bind
  • Double Spring (No Damper)
  • 1/pkg.
    View Details
    • $21.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.324'' O.D.
  • 0.676'' I.D.
  • 435 lbs./in. Spring Rate
  • 165 @ 1.800'' Installed
  • 515 @ 1.000'' Open
  • 0.800'' Max Valve Lift
  • 0.900'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
    View Details
    • $358.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Spring GM LS-series
    NexTek H.P. Valve Spring
  • GM LS-series
  • 1.335'' O.D.
  • 0.622'' I.D.
  • 780 lbs./in. Spring Rate
  • 270 @ 1.800'' Installed
  • 870 @ 1.020'' Open
  • 0.780'' Max Valve Lift
  • 0.960'' Coil Bind
  • Double Spring (No Damper)
  • 1/pkg.
    View Details
    • $33.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs GM LS-series
    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.335'' O.D.
  • 0.622'' I.D.
  • 780 lbs./in. Spring Rate
  • 270 @ 1.800'' Installed
  • 870 @ 1.020'' Open
  • 0.780'' Max Valve Lift
  • 0.960'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
    View Details
    • $546.99
    $446.75
    ON SALE - $100.24 OFF
    Ships Monday
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    Chrysler 5.7L/6.1L HEMI

    Manley Super Finished NexTek H.P. Valve Spring 5.7/6.1L HEMI
    NexTek H.P. Valve Spring
  • 5.7/6.1L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $21.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs 5.7/6.1L HEMI
    NexTek H.P. Valve Springs
  • 5.7/6.1L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $334.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Spring HEMI Drag Pak
    NexTek H.P. Valve Spring
  • HEMI Drag Pak
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $18.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs HEMI Drag Pak
    NexTek H.P. Valve Springs
  • HEMI Drag Pak
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $301.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Chrysler 6.4L HEMI

    Manley Super Finished NexTek H.P. Valve Spring 6.4L HEMI
    NexTek H.P. Valve Spring
  • 6.4L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 380 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $21.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs 6.4L HEMI
    NexTek H.P. Valve Springs
  • 6.4L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 380 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $334.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Ford 4.6L/5.4L

    Manley NexTek H.P. Valve Spring 4.6/5.4L SOHC 2V
    NexTek H.P. Valve Spring
  • 4.6/5.4L SOHC 2V
  • 1.125'' O.D.
  • 0.642'' I.D.
  • 264 lbs./in. Spring Rate
  • 95 @ 1.680'' Installed
  • 240 @ 1.130'' Open
  • 0.580'' Max Valve Lift
  • 1.080'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $17.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley NexTek H.P. Valve Springs 4.6/5.4L SOHC 2V
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 2V
  • 1.125'' O.D.
  • 0.642'' I.D.
  • 264 lbs./in. Spring Rate
  • 95 @ 1.680'' Installed
  • 240 @ 1.130'' Open
  • 0.580'' Max Valve Lift
  • 1.080'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $280.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley NexTek H.P. Valve Spring 4.6/5.4L SOHC 2V
    NexTek H.P. Valve Spring
  • 4.6/5.4L SOHC 2V
  • 1.175'' O.D.
  • 0.642'' I.D.
  • 255 lbs./in. Spring Rate
  • 125 @ 1.680'' Installed
  • 265 @ 1.130'' Open
  • 0.580'' Max Valve Lift
  • 1.080'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $18.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley NexTek H.P. Valve Springs 4.6/5.4L SOHC 2V
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 2V
  • 1.175'' O.D.
  • 0.642'' I.D.
  • 255 lbs./in. Spring Rate
  • 125 @ 1.680'' Installed
  • 265 @ 1.130'' Open
  • 0.580'' Max Valve Lift
  • 1.080'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
    View Details
    • $301.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee

    Manley Super Finish NexTek H.P. Valve Spring 4.6/5.4L SOHC 3V
    NexTek H.P. Valve Spring
  • 4.6/5.4L SOHC 3V
  • 1.101'' O.D.
  • 0.650'' I.D.
  • 258 lbs./in. Spring Rate
  • 110 @ 1.670'' Installed
  • 260 @ 1.090'' Open
  • 0.580'' Max Valve Lift
  • 1.020'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $14.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finish NexTek H.P. Valve Springs 4.6/5.4L SOHC 3V
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 3V
  • 1.101'' O.D.
  • 0.650'' I.D.
  • 258 lbs./in. Spring Rate
  • 110 @ 1.670'' Installed
  • 260 @ 1.090'' Open
  • 0.580'' Max Valve Lift
  • 1.020'' Coil Bind
  • Single Conical Ovate Wire
  • 24/pkg
    View Details
    • $354.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
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    Manley NexTek H.P. Valve Spring 4.6/5.4L DOHC 4V
    NexTek H.P. Valve Spring
  • 4.6/5.4L DOHC 4V
  • 1.126'' O.D.
  • 0.640'' I.D.
  • 330 lbs./in. Spring Rate
  • 95 @ 1.420'' Installed
  • 270 @ 0.895'' Open
  • 0.525'' Max Valve Lift
  • 0.860'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $16.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley NexTek H.P. Valve Springs 4.6/5.4L DOHC 4V
    NexTek H.P. Valve Springs
  • 4.6/5.4L DOHC 4V
  • 1.126'' O.D.
  • 0.640'' I.D.
  • 330 lbs./in. Spring Rate
  • 95 @ 1.420'' Installed
  • 270 @ 0.895'' Open
  • 0.525'' Max Valve Lift
  • 0.860'' Coil Bind
  • Single Conical Ovate Wire
  • 32/pkg.
    View Details
    • $533.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
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    Manley Polished NexTek H.P. Valve Springs 4.6/5.4L SOHC 3V
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 3V
  • 1.025'' O.D.
  • 0.565'' I.D.
  • 95 @ 1.670'' Installed
  • 230 @ 1.170'' Open
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $13.99
    Estimated to ship directly from the manufacturer on 08/28/18
    Lowest Price Guarantee

    Manley Polished NexTek H.P. Valve Springs 4.6/5.4L SOHC 3V
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 3V
  • 1.025'' O.D.
  • 0.565'' I.D.
  • 95 @ 1.670'' Installed
  • 230 @ 1.170'' Open
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 24/pkg.
    View Details
    • $331.99
    Estimated to ship directly from the manufacturer on 08/28/18
    FREE Shipping
    Lowest Price Guarantee

    Ford 5.0L Coyote

    Manley Super Finished NexTek H.P. Valve Spring 5.0L Coyote DOHC 4V
    NexTek H.P. Valve Spring
  • 5.0L Coyote DOHC 4V
  • 1.014'' O.D.
  • 0.533'' I.D.
  • 236 lbs./in. Spring Rate
  • 90 @ 1.570'' Installed
  • 225 @ 1.000'' Open
  • 0.570'' Max Valve Lift
  • 0.904'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
    View Details
    • $17.99
    Estimated to ship directly from the manufacturer on 08/20/18
    Lowest Price Guarantee

    Manley Super Finished NexTek H.P. Valve Springs 5.0L Coyote DOHC 4V
    NexTek H.P. Valve Springs
  • 5.0L Coyote DOHC 4V
  • 1.014'' O.D.
  • 0.533'' I.D.
  • 236 lbs./in. Spring Rate
  • 90 @ 1.570'' Installed
  • 225 @ 1.000'' Open
  • 0.570'' Max Valve Lift
  • 0.904'' Coil Bind
  • Single Conical Ovate Wire
  • 32/pkg.
    View Details
    • $602.99
    Estimated to ship directly from the manufacturer on 08/20/18
    FREE Shipping
    Lowest Price Guarantee