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Vehicle Info NeededMANLEYPART NUMBER: 660-261425
NexTek Drag Race Springs & Titanium Retainer Kit 1.640" O.D. Springs, p/n 660-221425-16
$56507
Ships on 09/15/2026
Lowest Price Guarantee1.640'' O.D. Double Valve Springs
- NexTek Drag Race Springs & Titanium Retainer Kit
- 1.640'' O.D. Springs, p/n 660-221425-16
- 10-Degree Titanium Retainer, p/n 660-23640-16
- 16/pkg.
Includes Manley 10° Titanium retainers (part number, 660-23640-16).
- Type of Spring: Double without Damper
- Color Code: 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 Kit
BrandMANLEY
Package Height3.8
Package Width3.9
Package Length15.5
Weight6.7 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number261425
Package Qty1
Package TypeEA
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