1979-95 Ford Mustang 5.0 5.8 Trick Flow Valve Spring Upgrade Kit For OE Style Cast Iron Heads by Trick Flow

Mustang Trick Flow Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8


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Mustang Trick Flow Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8
  • Trick Flow Mustang Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8 2500100
  • Trick Flow Mustang Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8 2500100

Upgrade your valve springs with this Trickflow valve spring upgrade for 1979-95 Mustang 302!

Item #TFS-2500100

Everyday Low Price: $169.99

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Benefits

  • Increased Valvetrain Stability
  • Lighter Weight
  • Less Spring Pressure
  • OK For Street Driving

Features

  • Fits OEM Style Cast Iron Heads
  • Fits 1979-93 5.0L/5.8L 302/351 V8 Mustang Applications
  • Up to .542" lift
  • 1.47" Oustide Diameter

What's in the Box

  • (16) Trick Flow Mustang Valve Springs, seals, locks, shims, gauge and instructions

Product Description

Trickflow Performance Upgrade
This Trick Flow kit allows you to install a high performance cam of up to .542" lift on any 289-351W with OEM cast iron cylinder heads. The Mustang 5.0L kit includes 16 each of 1.47" diameter Mustang valve springs with dampers (110 lbs. of seat pressure at 1.800" installed height). This Mustang valve spring upgrade kit features hardened 4140 chromoly retainers, valve locks, spring shims, a spring height gauge, valve seals, and instructions. Best of all, no machining is required!

Application
-Fits 1979-95 Mustang 302/351 w/ OEM Small Block Ford Heads

See what our customers have to say about this product!
Check out customer reviews and questions.


Customer Photos (7)



Product Reviews (19)


4.8
out of 5 stars
5 stars
19 reviews
5 stars    15
4 stars    4
3 stars    0
2 stars    0
1 star    0

100%
OF CUSTOMERS
RECOMMEND THIS PRODUCT
19 of 19 REVIEWS
RECOMMEND THIS PRODUCT
19 of 19 REVIEWS


5 Stars   Nice Kit!
By on 3/26/2014
I bought these to upgrade a pair of GT40 iron heads used with a Trick Flow cam. The heads were rebuilt and had new seals so I didn't use the included ones. Read the instructions! They state that the exhaust and intake retainers are a different color but mine were not. The intake ones are in a separate marked bag but the exhaust ones are not so you will need to keep them separate. I had to use anywhere from zero to three shims to get the installed height correct. Also, the heads were off my engine which is a lot easier than trying to do this in the car.

Word of advice: If you do this on an assembled engine take precautions to avoid dropping a keeper down the oil drain back holes in the head. They can slide right through those openings!

Yes, I would recommend this item to a friend!


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5 Stars   Work great!
By on 6/15/2014
Ordered this for my GT40P heads and F303 cam and am very pleased. High quality and everything you need. I say get them if you are on the fence about them.

Yes, I would recommend this item to a friend!


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5 Stars   Great upgrade.
By on 2/10/2014
I bought these in October for my rebuild, upgraded motor works great with e-cam.

Yes, I would recommend this item to a friend!


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5 Stars   Good Solid Kit
By on 4/23/2014
I have used several of these kits. Nice to have the shims and valve seals in addition to the springs and retainers. If you are planning to run factory E7TE or GT40 heads and want to run a performance cam, this is a good way to go.

Yes, I would recommend this item to a friend!


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5 Stars   Works great
By on 2/14/2014
Springs that I need to upgrade along with the cam so glad I did

Yes, I would recommend this item to a friend!


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4 Stars   awesome!
By on 6/12/2014
Image uploaded by William H. The new Trickflow valve springs fit great and were much stronger than my wore out factory springs. Only issue is the color coordination was not correct. It said one side was black and other was grey but both were black but they are different so pay attention. Great product regardless.

Yes, I would recommend this item to a friend!


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4 Stars   Excellent upgrade.
By on 3/25/2014
This package was an excellent upgrade to my GT40P, B Cam, 1.6 RR build. Valve seals were quality up grades as well. The included valve spring height tool was a nice addition to the package.

Yes, I would recommend this item to a friend!


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5 Stars   trick flow springs
By on 3/9/2014
So I decided to do the springs that my engine builder should have done because of the cam and intake I have. I chose TrickFlow....the instructions were amazing; left no doubt to guessing and it was so easy! I was dreading it for no reason....works great....thank you very much....

Yes, I would recommend this item to a friend!


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5 Stars   Perfect fit
By on 5/3/2014
I just got these in for my 92 coupe and fit and work perfect can't wait to get more parts from Latemodel Restoration my only place to shop for my mustang

Yes, I would recommend this item to a friend!


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5 Stars   Great fit
By on 5/21/2014
Love how much better they are compared to stock

Yes, I would recommend this item to a friend!


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5 Stars   Every is included in this spring upgrade kit
By on 2/8/2015
Quality shows when you open the box and say wow!!. This kit has everything included but the kitchen sink!

Yes, I would recommend this item to a friend!


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4 Stars   Good quality product
By on 1/21/2015
Factory E7 heads, great fit, smooth installation. It got 4 stars because they should have included and extra set of shims and because the instructions said that the retainers are color coded.

I ran out of black shims and had to remove some already installed valves to reshim with some silver shims, but I was able to make it work. Bottom line, buy an extra set of shims.

The instructions say that the retainers are color coded, they are not. The intake retainers were in a bag marked "Intake" and the exhaust retainers were in a bag not marked. Just be very careful to keep them separated and you will be fine.

Yes, I would recommend this item to a friend!


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5 Stars   Great upgrade!
By on 4/21/2015
I bought these for my gt40p heads to upgrade from stock springs. Installation was a breeze with everything you need. Just make sure to keep your retainers seperate! They say they are different colors bit they areally only bagged seperate. Great product, couldn't be happier!

Yes, I would recommend this item to a friend!


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5 Stars   perfect fit
By on 3/31/2015
Image uploaded by Luis C. Got these trick flow valve spring kit and I gotta say I am very pleased. The product dropped right in on my gt40p heads with no problem. Also the retainers come labels intake and exhaust.

Yes, I would recommend this item to a friend!


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5 Stars   Looks great
By on 4/2/2015
Bought these to go with my E303 cam. Had the machine shop install while doing the valve job, why not they only charged $25. They look great and came with everything needed.

Yes, I would recommend this item to a friend!


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4 Stars   Great product
By on 3/16/2015
The Parts came in nothing broken and work great the only thing is my shipping ticket was lost and my items didn't arrive till about a week after I was told it would

Yes, I would recommend this item to a friend!


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5 Stars   Great upgrade
By on 4/29/2015
Image uploaded by Clyde D. I got this kit for my gt40p heads it was easy with the instruction installing shims was a breeze and the rest went together perfect !

Yes, I would recommend this item to a friend!


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5 Stars   Great Fit!
By on 4/29/2015
Bought this ítem two weeks ago, couldnt ask for more. Top quality, fits perfect on my mustang project. Thanks late model restoration.

Yes, I would recommend this item to a friend!


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5 Stars   great practical price
By on 4/1/2015
I got my stuff fast and of course great parts

Yes, I would recommend this item to a friend!


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Community Q&A (12)

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Vehicle Applications

Ford Mustang - 1979 (79) - 1980 (80) - 1981 (81) - 1982 (82) - 1983 (83) - 1984 (84) - 1985 (85) - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93) - 1994 (94) - 1995 (95)


About This Brand


Trick Flow
Trick Flow - Serious Horsepower
Horsepower doesn't happen by accident. It takes time, skill, and the right combination of parts to allow your engine to produce optimum power levels.

Trick Flow engineers use advanced Computer-Aided Design (CAD) work stations and high-tech 3D modeling to develop and analyze components quickly and accurately. Trick Flow machinists use state-of-the-art rapid physical prototyping, CNC-machining centers, and hot rodding know-how to turn designs into molds and foundry tooling.

Prototypes and products are subjected to hours of relentless testing on one of Trick Flow's dynamometers, and extensive road and race track data is gathered to guarantee parts perform as intended. Trick Flow's commitment to quality combined with a "zero defects" attitude ensures Trick Flow products will exceed your expectations.

From Lightning cylinder heads to Mustang camshafts, pistons to intake manifolds, Trick Flow is committed to making products that are designed and engineered to deliver power!

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