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COMP Cams 998-16 Dual Valve Spring Kit

(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

998-16
6 reviews
Sale Price

$505.95

Estimated ship date Friday, November 20

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Fitment guaranteed

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Product Details

The COMP Cams 998-16 dual valve spring kit delivers superior valve train performance for high-lift camshaft applications. This professional-grade valve spring assembly is engineered for engine builders and racers who demand precise valve control at high RPM.

Key Specifications:

  • Dual spring design with integrated damper for enhanced stability
  • Outer spring: 1.625" (1.638" OD) with 0.769" ID inner spring
  • Spring rate: 677 lbs/in for aggressive cam profiles
  • Seat pressure: 250 lbs at 1.900" installed height
  • Coil bind height: 1.090 inches
  • Manufactured from H-11 tool steel for superior strength and durability

Compatible Components:

  • Spring seats: 4774-16 (.570" guide diameter) or 4775-16 (.630" guide diameter)
  • Retainer: 733-16
  • Spring cup locator: 4702-16
  • Shims: 4756

COMP Cams dual valve springs undergo extensive quality control testing to ensure consistent performance. The dual spring configuration provides the strength needed to handle extreme valve lift found in racing and high-performance street applications, while the integrated damper prevents valve spring surge and harmonics. CARB exempt for on-road use with no impact on emissions.

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)

4702-16

Compatible Shims

4756

Spring Rate

677

Compatible Retainer

733-16

Damper

Yes

Compatible .570" Guide Diameter Spring Seats

4774-16

Compatible .630" Guide Diameter Spring Seats

4775-16

AMAZON ASIN

B00062Z2BE

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.

Easy ordering with PayPal, will update once received.

Had the stuff, price was less than Hi performance outlets. Your line below; If I don't want to comment again after receipt, you will withhold customer care options should problems arise? Is that legal?

You guys had the absolute best price on this gasket set.

Quick Shipping and friendly Service

Great!

So far autoplicity has been a great shopping experience.

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