Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
NexTek Drag Race Valve Spring 1.677" O.D.
InfoVehicle Info Needed
MANLEYPART NUMBER: 660-221450-1

NexTek Drag Race Valve Spring 1.677" O.D.

$6128
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

1.677'' O.D. Triple Valve Springs
    NexTek Drag Race Valve Spring
  • 1.677'' O.D.
  • 0.632'' I.D.
  • 770 lbs./in. Spring Rate
  • 370 @ 2.200'' Installed
  • 1140 @ 1.200'' Open
  • 1.000'' Max Valve Lift
  • 1.142'' Coil Bind
  • Triple Spring (No Damper)
  • 1/pkg.

    Note: Advertised pressures are achieved after springs have been pressed solid three times.

  • Type of Spring: Triple without Damper
  • Color Code: Purple Stripe
  • Installed Height and Pressure: 2.200' @ 370 lbs./in.
  • Open Height and Pressure: 1.200' @ 1140 lbs./in.
  • Spring Rate: 770 lbs./in.
  • O.D. of Outer Spring: 1.677'
  • I.D. of Outer Spring: 1.203'
  • I.D. of Middle Spring: 0.874'
  • I.D. of Inner Spring: 0.632'
  • Coil Bind height: 1.142'
  • Weight: 193 grams
  • Damper Included: No

    Click Here to see 660-221450 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height1.75
Package Width1.75
Package Length3.0
Weight0.44 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221450-1
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

Valve Seat Pressure Tester 400-lb Reading Scale

MOROSO

Valve Seat Pressure Tester 400-lb Reading Scale

Part Number : 710-62391
$16799
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Valve Spring Micrometer [1.400 in. - 1.800 in. Height Range]

JEGS

Valve Spring Micrometer [1.400 in. - 1.800 in. Height Range]

Part Number : 555-80535
$4199$46.99
You Save$5.00
Digital Mini Valve Spring Tester 0-700 x 2 lb. Increments

PROFORM

Digital Mini Valve Spring Tester 0-700 x 2 lb. Increments

Part Number : 778-66836
$17899
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$57.19
You Save$4.20
Valve Spring Micrometer [1.800 in. - 2.200 in. Height Range]

JEGS

Valve Spring Micrometer [1.800 in. - 2.200 in. Height Range]

Part Number : 555-80536
$6899$75.99
You Save$7.00
Digital Valve Spring Tester Adjustable Base

PROFORM

Digital Valve Spring Tester Adjustable Base

Part Number : 778-67601
$29999
Valvetrain Checking Springs Light tension springs

JEGS

Valvetrain Checking Springs Light tension springs

Part Number : 555-80523
$839$8.99
You Save$0.60
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!