Manley Triple Valve Springs

Manley NexTek Triple Drag Race Springs 221447-16

$647.49 Set of 16, Free Shipping

Manley NexTek® Lightweight Triple Drag Racing Springs have higher natural frequency and lower active mass providing improved valvetrain control and higher RPM potential.  The NexTek® design has been extensively tested on the Spintron, dyno and race track (including blown nitro engines) and proven to be highly effective.

Type: Triple High Tensile Strength Super Finished Chrome Moly
Spring OD: 1.677″
Inner ID: .635″
Seat: 350 lbs @ 2.000″
Open: 895 lbs @ 1.270″
Max Lift: .800″

SKU: MAN-221447-16 Category: Tags: , ,

 

Part#221447 (Single Spring)
Alt Part#221447-16 (Set of 16)
DescriptionManley NexTek Lightweight Triple Drag Race Valve Springs
Sportsman Drag Racing Applications
Outside Diameter1.677″
Outer Spring ID
Weight195 grams
Maximum Valve Lift.800″
Coil Bind1.160″
Inner SpringID 0.635″
Install Height2.000″
Load at Installed Height350 lbs
Spring Open Height1.270″
Spring Open Load985 lbs
Recommended Valve Lift
Spring Rate (lbs/in)746
Weight7.2 lbs
Dimensions16 × 4 × 4 in

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