Manley 221443-16 NexTek Oval Drag Race Valve Springs 1.580" .730" Lift

Description

MANLEY NexTek Series Drag Race Oval Track And Endurance Valve Spring Set Of 16
Part Number 221443-16
NO Degradation Of Spring Pressure In The Later Stages Of A Race
Specially Processed Premium Grade Chrome Silicon That Is Virtually Free Of Impurities Or Surface Irregularities
NexTek Series Valve Springs Have Been Tested By Leading Engine Builders And Are Confirmed To Be The Best Performing Valve Springs On The Market
Specs :
Maximum Valve Lift : .730"
Outside Diameter : 1.580"
Inside Diameter : .832"
Installed Pressure : 235 Lbs @ 1.950"
Open Pressure : 610 Lbs @ 1.250"
Rate - Lbs / Inch : 535 Lbs
Coil Bind At : 1.170"
Weight - Grams : 150
Dual Spring - WITHOUT Damper
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