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COMP Cams 998-1 Dual Valve Spring 1.625" O.D. H-11 Assembly

(Ford F-150 1975-79, Mustang 1969-71, F-250 1975-94, Thunderbird 1968-76, F-350 1975-94, Galaxie 500 1969-74, F-100 1975-79 + 26 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

998-1
6 reviews
Sale Price

$49.95

Estimated ship date Monday, November 23

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Fitment guaranteed

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Product Details

The COMP Cams 998-1 is a high-performance dual valve spring engineered for demanding performance applications. Manufactured from H11 material and subject to extensive quality control testing, this valve spring assembly delivers superior strength, durability, and valve train stability for both street and racing engines.

Key Specifications:

  • 1.625 in. outside diameter with 677 lbs./in. spring rate
  • 1.090 in. coil bind height
  • Seat load of 228 lbs. at 1.900 in. installed height
  • 1.638 in. outer diameter, .759 in. inner diameter
  • Includes integrated damper for valve train control

Performance Benefits:

  • Dual spring design creates a stronger valve spring that can easily handle increased lift found in extreme stress applications
  • Appropriate valve spring will optimize your engine's performance
  • Coated with anti-corrosive material for long-lasting durability
  • Must be properly matched to camshaft specifications for optimal performance

Sold individually. This valve spring is designed for high-performance engines where precise valve control and reliability are critical to achieving maximum horsepower and RPM capability.

Products specifications

Fits

Ford F-150 1975-79, Mustang 1969-71, F-250 1975-94, Thunderbird 1968-76, F-350 1975-94, Galaxie 500 1969-74, F-100 1975-79, F-250 Pickup 1973-79, 1983-94, Fairlane 1970, Ranchero 1970-77, Torino 1970-76, F-350 Pickup 1973-79, 1983-94 + 21 more models

Number of Springs

2

Inner Spring Inside Diameter

0.759

Coil Bind Height

1.09

Outer Spring Inside Diameter

1.167

Outer Spring Outside Diameter

1.638

Seat Height

1.9

Seat Pressure

250

Compatible Spring Cup (O.D. Locator)

4702-1

Compatible Shims

4756

Compatible .570" Guide Diameter Spring Seat

4774-1

Compatible .630" Guide Diameter Spring Seat

4775-1

Spring Rate

677

Compatible Retainer

733-1

Damper

Yes

AMAZON ASIN

B00062YHMO

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

Yes

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exemption Reason

No impact on pollution output of vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Their website is intuitive and easy to maneuver.

Very pleasant order over the phone. Gentleman was smart, cheerful and helpful.

Just what you want from a merchant but don't expect; fast, courteous service and attention to the details of your order. I'm a happy consumer. Thank you, Autoplicity. I'll be back.

Autoplicity cares about there customers. I ordered a flash programmer and got to the last page and never got a confirmation of the order. I used the website chat and talked to somebody about it right away. So I ordered again and got a conformation. But both went though. Autoplicity called me next day a.m. to see if I made a mistake. Thanks for letting me know and correcting to one order. Saved me from shipping back a product I dind't need.

Good products with low prices. Easy website and pament options.

Exact product as promised with the best price on the internet. Product shipped fast and had a tracking number to keep me up to date on my order. I would order from again without hesitation and will tell friends.

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