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)
Description Manley NexTek Lightweight Triple Drag Race Valve Springs
Sportsman Drag Racing Applications
Outside Diameter 1.677″
Outer Spring ID
Weight 195 grams
Maximum Valve Lift .800″
Coil Bind 1.160″
Inner Spring ID 0.635″
Install Height 2.000″
Load at Installed Height 350 lbs
Spring Open Height 1.270″
Spring Open Load 985 lbs
Recommended Valve Lift
Spring Rate (lbs/in) 746
Weight 7.2 lbs
Dimensions 16 × 4 × 4 in

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