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Manley 221422-1
Super Finished 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.
  • GM LS-Series
    Item# 660-221422-1
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    Ships 06/01/15
    Only $32.99


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    Manley 221436-1
    Polished 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.
  • GM LS-Series
    Item# 660-221436-1
    Order Today
    Ships 06/01/15
    Only $17.99


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    Manley 221433-24
    Super Finish 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
  • Ford 4.6L/5.4L
    Item# 660-221433-24
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    Ships 06/01/15
    Only $349.99


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    Manley 221438-16
    Super Finished 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.
  • GM LS-Series
    Item# 660-221438-16
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    Ships 06/01/15
    Only $299.99


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    Manley 221421-1
    Polished 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.
  • GM LS-Series
    Item# 660-221421-1
    Order Today
    Ships 06/01/15
    Only $22.99


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    Manley 221427-1
    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.
  • Ford 4.6L/5.4L
    Item# 660-221427-1
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    Ships 06/01/15
    Only $20.99


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    Manley 221431X-1
    Super Finished 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.
  • Chrysler 5.7L/6.1L HEMI
    Item# 660-221431X-1
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    Ships 06/01/15
    Only $19.99


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    Manley 221437-1
    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.
  • Ford 4.6L/5.4L
    Item# 660-221437-1
    Order Today
    Ships 06/01/15
    Only $19.99


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    Manley 221433-1
    Super Finish 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.
  • Ford 4.6L/5.4L
    Item# 660-221433-1
    Order Today
    Ships 06/01/15
    Only $14.99


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    Manley 221431-16
    Super Finished 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.
  • Chrysler 5.7L/6.1L HEMI
    Item# 660-221431-16
    Order Today
    Ships 06/01/15
    Only $333.99


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    Manley 221431-1
    Super Finished 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.
  • Chrysler 5.7L/6.1L HEMI
    Item# 660-221431-1
    Order Today
    Ships 06/01/15
    Only $21.99


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    Manley 221436-16
    Polished 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.
  • GM LS-Series
    Item# 660-221436-16
    Order Today
    Ships 06/01/15
    Only $236.99


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    310 Products Results per Page: