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COMP Cams 999-16 Dual Valve Spring Kit 1.550" OD H-11 High Performance

(Jeep Cherokee 1974-83, Gladiator 1966-69, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1966-68, 1972-83, J20 1974-88 + 32 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

999-16
14 reviews
Sale Price

$519.95

Estimated ship date Thursday, November 26

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Product Details

The COMP Cams 999-16 is a premium dual valve spring assembly designed for high-performance and racing applications.

Technical Specifications:

  • Outer spring outside diameter: 1.551 inches
  • Outer spring inside diameter: 1.094 inches
  • Inner spring inside diameter: 0.712 inches
  • Seat pressure: 215 lbs at 1.900 inches installed height
  • Open pressure: 690 lbs at 1.150 inches
  • Spring rate: 633 lbs/inch
  • Coil bind height: 1.090 inches
  • Maximum lift: 0.750 inches
  • Includes internal damper for valve train stability

Key Features:

  • Manufactured from Super Clean wire for superior strength and durability
  • Dual spring design handles increased lift in extreme stress applications
  • Subject to extensive quality control testing
  • Anti-corrosive coating for long-lasting performance
  • Compatible with retainer 732-16, spring seats 4781-16/4782-16, shims 4757, and spring cup 4700-16

COMP Cams dual valve springs are engineered to exceed the expectations of engine builders and racers, providing superior valve train stability and performance whether on the track or street. These springs deliver the precise pressure characteristics needed to match high-performance camshaft profiles and achieve optimal engine performance.

Products specifications

Fits

Jeep Cherokee 1974-83, Gladiator 1966-69, CJ7 1976-81, CJ5 1971-81, Grand Wagoneer 1984-91, J10 1974-88, Wagoneer 1966-68, 1972-83, J20 1974-88, Commando 1972-73, CJ6 1971-75, Jeepster 1972-73, J-100 1966-68, 1971-73, J-2500 1966-73 + 27 more models

Number of Springs

2

Inner Spring Inside Diameter

0.712

Coil Bind Height

1.09

Outer Spring Inside Diameter

1.094

Outer Spring Outside Diameter

1.551

Seat Height

1.9

Seat Pressure

215

Compatible Spring Cup (O.D. Locator)

4700-16

Compatible Shims

4757

Spring Rate

633

Compatible Retainer

732-16

Damper

Yes

Compatible .570" Guide Diameter Spring Seats

4781-16

Compatible .630" Guide Diameter Spring Seats

4782-16

AMAZON ASIN

B00062Z2BY

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.

So far so good. just have to wait until the product arrives.

GREAT SERVICE

Product was exactly as described.

Found the part easily on internet search, price was good included tax and shipping, a no brainer, thank you autoplicity....

Fast delivery! Box a little shuffled but radiator was packaged well and seem to be OK. So far very satisfied. Haven't installed yet but will update feedback if need be. Thanks for the fast service!

Fast ordering process

good price, prompt delivery. no complaints.

It was god

Arrived in 4 business days and cheapest price on the web for the part I got.

Love them!!! They send E-Mail conformation when order is placed and tracking number when shiped.

Awesome company. Great prices... friendly staff and fast shipping. Will use as much as possible for auto parts needs.

Definitely good prices and they shipped my order within a day. So far, they've had really good customer service.

Awesome prices on hard to find auto parts...quick shipping..A+!

Autoplicity had the best price on the Wiseco pistons I needed anywhere. Took a little longer to arrive than I expected but apparently that was due to the pistons being shipped directly from the factory. Otherwise a very good experience overall.

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