
MANLEYPART NUMBER: 660-221425P-1
Polished NexTek Drag Race Valve Spring 1.640" O.D.
$4202
1.640'' O.D. Double Valve SpringsPolished Finish
- Polished NexTek Drag Race Valve Spring
- 1.640'' 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.
- Type of Spring: Double without Damper
- Color Code: Polished Finish (Green Stripe)
- Installed Height and Pressure: 2.100' @ 280 lbs./in.
- Open Height and Pressure: 1.250' @ 795 lbs./in.
- Spring Rate: 604 lbs./in.
- O.D. of Outer Spring: 1.640'
- I.D. of Outer Spring: 1.185'
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: 0.860'
- Coil Bind height: 1.150'
- Weight: 160 grams
- Damper Included: No
Click Here to see 660-221425 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height2.75
Package Width2.75
Package Length4.5
Weight0.25 PG
Part CategoryPerformance Parts
Installed Height (In)2.100 in.
Open Height (In)1.250 in.
Damper Spring IncludedNo
QuantitySold individually
Seat Pressure At Installed Height (Lbs)280 lbs.
Part FitmentSemi Universal
Spring Rate (Lbs/In)604 lbs./in.
Coil Bind Height (In)1.150 in.
Open Pressure (Lbs)795 lbs.
Number Of Springs Per ValveDual
Vendor Part Number221425P-1
Package Qty1
Package TypeEA
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