NexTek Valve Springs...Better By Design! Higher natural frequency provides improved valvetrain control and higher RPM potential All springs are triple design springs except for 660-221424, 660-221425 & 660-221454 which are double design without damper Extensively tested on the Spintron, dyno and race track (including blown nitro engines) and proven highly effective Smaller diameter, lightweight dual design allows engine to rev higher with improved valve train control Better valvetrain stability and component life Ultra clean, high tensile strength chrome silicon steel Polish Finish surface reduces friction, improves fatigue life and minimize load loss. Ideal loads for multiple applications with minimal load loss
Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. The NexTek springs were developed to satisfy the demands of top level engine builders who demanded the absolute highest quality valve springs. Manley Nextek springs can be found in drag race applications ranging from Bracket racers to Top Fuel, in oval track engines across the country on the street and strip.
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1.640'' O.D. Double Valve Springs
Manley 261424L
Manley NexTek Drag Race Springs & Lightweight Titanium Retainer Kit 1.640" O.D. Springs, p/n 660-221424-16
$563.99
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NexTek Drag Race Springs & Lightweight Titanium Retainer Kit1.640'' O.D. Springs, p/n 660-221424-16 10-Degree Lightweight Titanium Retainer, p/n 660-23540-16 16/pkg.
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$563.99
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Manley 261424
Manley NexTek Drag Race Springs & Titanium Retainer Kit 1.640" O.D. Springs, p/n 660-221424-16
$418.72
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NexTek Drag Race Springs & Titanium Retainer Kit1.640'' O.D. Springs, p/n 660-221424-16 10-Degree Titanium Retainer, p/n 660-23640-16 16/pkg.
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$418.72
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$26.31
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NexTek Drag Race Valve Spring1.640'' O.D. 0.860'' I.D. 647 lbs./in. Spring Rate 250 @ 2.000'' Installed 800 @ 1.150'' Open 0.880'' Max Valve Lift 1.070'' Coil Bind Double Spring (No Damper) 1/pkg.
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$26.31
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$347.79
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NexTek Drag Race Valve Springs1.640'' O.D. 0.860'' I.D. 647 lbs./in. Spring Rate 250 @ 2.000'' Installed 800 @ 1.150'' Open 0.880'' Max Valve Lift 1.070'' Coil Bind Double Spring (No Damper) 16/pkg.
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$347.79
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Manley 261425L
Manley NexTek Drag Race Springs & Lightweight Titanium Retainer Kit 1.640" O.D. Springs, p/n 660-221425-16
$596.89
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NexTek Drag Race Springs & Lightweight Titanium Retainer Kit1.640'' O.D. Springs, p/n 660-221425-16 10-Degree Lightweight Titanium Retainer, p/n 660-23540-16 16/pkg.
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$596.89
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Manley 261425
Manley NexTek Drag Race Springs & Titanium Retainer Kit 1.640" O.D. Springs, p/n 660-221425-16
$596.89
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NexTek Drag Race Springs & Titanium Retainer Kit1.640'' O.D. Springs, p/n 660-221425-16 10-Degree Titanium Retainer, p/n 660-23640-16 16/pkg.
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$596.89
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$28.19
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NexTek Drag Race Valve Spring1.640'' O.D. 0.860'' I.D. 604 lbs./in. Spring Rate 280 @ 2.100'' Installed 795 @ 1.250'' Open 0.900'' Max Valve Lift 1.150'' Coil Bind Double Spring (No Damper) 1/pkg.
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$28.19
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$380.69
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NexTek Drag Race Valve Springs1.640'' O.D. 0.860'' I.D. 604 lbs./in. Spring Rate 280 @ 2.100'' Installed 795 @ 1.250'' Open 0.900'' Max Valve Lift 1.150'' Coil Bind Double Spring (No Damper) 16/pkg.
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$380.69
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1.640'' O.D. Double Valve SpringsPolished Finish
$44.17
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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Polished NexTek Drag Race Valve Spring1.640'' O.D. 0.860'' I.D. 647 lbs./in. Spring Rate 250 @ 2.000'' Installed 800 @ 1.150'' Open 0.880'' Max Valve Lift 1.070'' Coil Bind Double Spring (No Damper) 1/pkg.
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$44.17
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$548.01
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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Polished NexTek Drag Race Valve Springs1.640'' O.D. 0.860'' I.D. 647 lbs./in. Spring Rate 250 @ 2.000'' Installed 800 @ 1.150'' Open 0.880'' Max Valve Lift 1.070'' Coil Bind Double Spring (No Damper) 16/pkg.
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$548.01
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$46.99
Estimated to ship direct from manufacturer in 24hrs
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Polished NexTek Drag Race Valve Spring1.640'' O.D. 0.860'' I.D. 604 lbs./in. Spring Rate 280 @ 2.100'' Installed 795 @ 1.250'' Open 0.900'' Max Valve Lift 1.150'' Coil Bind Double Spring (No Damper) 1/pkg.
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$46.99
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$579.97
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Polished NexTek Drag Race Valve Springs1.640'' O.D. 0.860'' I.D. 604 lbs./in. Spring Rate 280 @ 2.100'' Installed 795 @ 1.250'' Open 0.900'' Max Valve Lift 1.150'' Coil Bind Double Spring (No Damper) 16/pkg.
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$579.97
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1.650'' O.D. Double Valve Springs
Manley 261454L
Manley NexTek Drag Race Springs & Lightweight Titanium Retainer Kit 1.650" O.D. Springs, p/n 660-221454-16
$596.89
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NexTek Drag Race Springs & Lightweight Titanium Retainer Kit1.650'' O.D. Springs, p/n 660-221454-16 10-Degree Lightweight Titanium Retainer, p/n 660-23540-16 16/pkg.
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$596.89
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Manley 261454
Manley NexTek Drag Race Springs & Titanium Retainer Kit 1.650" O.D. Springs, p/n 660-221454-16
$596.89
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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NexTek Drag Race Springs & Titanium Retainer Kit1.650'' O.D. Springs, p/n 660-221454-16 10-Degree Titanium Retainer, p/n 660-23640-16 16/pkg.
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$596.89
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$28.19
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NexTek Drag Race Valve Spring1.650'' O.D. 0.855'' I.D. 635 lbs./in. Spring Rate 290 @ 2.000'' Installed 825 @ 1.150'' Open 0.850'' Max Valve Lift 1.105'' Coil Bind Double Spring (No Damper) 1/pkg.
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$28.19
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$380.69
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NexTek Drag Race Valve Springs1.650'' O.D. 0.855'' I.D. 635 lbs./in. Spring Rate 290 @ 2.000'' Installed 825 @ 1.150'' Open 0.850'' Max Valve Lift 1.105'' Coil Bind Double Spring (No Damper) 16/pkg.
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$380.69
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1.650'' O.D. Double Valve SpringsPolished Finish
$46.99
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Polished NexTek Drag Race Valve Spring1.650'' O.D. 0.855'' I.D. 635 lbs./in. Spring Rate 290 @ 2.000'' Installed 825 @ 1.150'' Open 0.850'' Max Valve Lift 1.105'' Coil Bind Double Spring (No Damper) 1/pkg.
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$46.99
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$579.97
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Polished NexTek Drag Race Valve Springs1.650'' O.D. 0.855'' I.D. 635 lbs./in. Spring Rate 290 @ 2.000'' Installed 825 @ 1.150'' Open 0.850'' Max Valve Lift 1.105'' Coil Bind Double Spring (No Damper) 16/pkg.
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$579.97
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1.677'' O.D. Triple Valve Springs
$46.99
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NexTek Drag Race Valve Spring1.677'' O.D. 0.635'' I.D. 746 lbs./in. Spring Rate 350 @ 2.000'' Installed 895 @ 1.270'' Open 0.800'' Max Valve Lift 1.160'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$46.99
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$559.29
Estimated to ship direct from manufacturer in 24hrs
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NexTek Drag Race Valve Springs1.677'' O.D. 0.635'' I.D. 746 lbs./in. Spring Rate 350 @ 2.000'' Installed 895 @ 1.270'' Open 0.800'' Max Valve Lift 1.160'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$559.29
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$46.99
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NexTek Drag Race Valve Spring1.677'' O.D. 0.635'' I.D. 733 lbs./in. Spring Rate 350 @ 2.100'' Installed 1010 @ 1.200'' Open 0.900'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$46.99
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$559.29
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NexTek Drag Race Valve Springs1.677'' O.D. 0.635'' I.D. 733 lbs./in. Spring Rate 350 @ 2.100'' Installed 1010 @ 1.200'' Open 0.900'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$559.29
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$59.21
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NexTek Drag Race Valve Spring1.677'' O.D. 0.632'' I.D. 720 lbs./in. Spring Rate 350 @ 2.200'' Installed 1070 @ 1.200'' Open 1.000'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$59.21
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$733.19
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NexTek Drag Race Valve Springs1.677'' O.D. 0.632'' I.D. 720 lbs./in. Spring Rate 350 @ 2.200'' Installed 1070 @ 1.200'' Open 1.000'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$733.19
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$68.61
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NexTek Drag Race Valve Spring1.677'' O.D. 0.632'' I.D. 770 lbs./in. Spring Rate 370 @ 2.200'' Installed 1140 @ 1.200'' Open 1.000'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$68.61
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$845.99
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NexTek Drag Race Valve Springs1.677'' O.D. 0.632'' I.D. 770 lbs./in. Spring Rate 370 @ 2.200'' Installed 1140 @ 1.200'' Open 1.000'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$845.99
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1.677'' O.D. Triple Valve SpringsPolished Finish
$62.97
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Polished NexTek Drag Race Valve Spring1.677'' O.D. 0.635'' I.D. 746 lbs./in. Spring Rate 350 @ 2.000'' Installed 895 @ 1.270'' Open 0.800'' Max Valve Lift 1.160'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$62.97
Estimated to ship direct from manufacturer in 24hrs
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$783.01
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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Polished NexTek Drag Race Valve Springs1.677'' O.D. 0.635'' I.D. 746 lbs./in. Spring Rate 350 @ 2.000'' Installed 895 @ 1.270'' Open 0.800'' Max Valve Lift 1.160'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$783.01
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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$62.97
Estimated to ship direct from manufacturer in 24hrs
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Polished NexTek Drag Race Valve Spring1.677'' O.D. 0.635'' I.D. 733 lbs./in. Spring Rate 350 @ 2.100'' Installed 1010 @ 1.200'' Open 0.900'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 1/pkg.
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$62.97
Estimated to ship direct from manufacturer in 24hrs
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$783.01
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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Polished NexTek Drag Race Valve Springs1.677'' O.D. 0.635'' I.D. 733 lbs./in. Spring Rate 350 @ 2.100'' Installed 1010 @ 1.200'' Open 0.900'' Max Valve Lift 1.142'' Coil Bind Triple Spring (No Damper) 16/pkg.
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$783.01
Estimated to ship direct from manufacturer on 06/13/22, pending manufacturer availability.
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