JSC Performance

JSC Performance

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Jason’s Speed & Custom

Photos from JSC Performance's post 05/10/2025

Gt500 valve covers will fit gen1 gen2 and Gt500 $800.00 with welded -10 AN fittings for catch can, and silver powder coat, all new never installed. These covers have a lot of time in them after smoothing all the rough surfaces and edges. Also have a matching timing cover for additional $300.00

02/25/2025

Simple every day life here, fixing the little things done wrong during previous installation.

Re tap some threads, install new exhaust manifold studs, new gaskets.

Why studs vs bolts, because they work great, and I can’t afford to have a car go together and have an exhaust leak.

Photos from JSC Performance's post 02/02/2025
01/05/2025
Photos from JSC Performance's post 12/31/2024

74 Bronco left today for a short bit coming back for some small details later.

12/16/2024

5:30 am start. Going to make a lot happen today!

Photos from JSC Performance's post 12/12/2024

Pretty close to done with the 74 Bronco. I’ll post some more photos and a couple videos I took through the process soon and make an album. This vehicle was restored for a friend from our Church, and he wasn’t happy at all with the wiring of it, and he wanted to put a new steering column in it and move the 3 on the tree to a floor shift.

Coolest part of this is that the customer was given this Bronco as his first high school vehicle, and over the years it sat, he decided to restore it and give it back to his father.

Unfortunately he learned some lessons about the restore process and not getting what he thought he was paying for. I hope that we exceeded his expectations.

Btw this thing is exactly how old I am.

Photos from JSC Performance's post 08/26/2024

Nothing to see here, just a 1000 rear wheel Horsepower daily driven brand new 2023 Regular Cab 4x4 F150 that we are voiding its factory warranty on.

Because the customer heard we were one of the BEST in the business for voiding warranties, but putting a HUGE smile on your face when you mash the gas pedal!

Life for some isn’t about playing its safe, it’s about enjoying the fruits of their labor, and Brandon is going to really enjoy this TRUCK!

Not only do we make late model Fords FAST, we make them look GOOD while doing it. This truck is going to be a looker, and when you pop the hood, watch the jaws drop.

07/04/2024

Happy July 4rth !

Photos from JSC Performance's post 06/23/2024

We’ve just ordered a Bluetooth set up for this customer to have some tunes from this point on. Adding some carbon, and a few gauges…….

06/17/2024

GOOD Morning…….. Monday!!

Waiting on the Brown truck man to bring me a bunch of goodies!

Photos from JSC Performance's post 06/11/2024

S550 mustangs, passenger side firewall. Fuel system or pulling any other wire through firewall.

Get you a fat step bit, drill it, add a rubber or plastic snap in grommet.

DO NOT use a long drill bit!! You may hit the large harness next to the hole you are drilling.

It’s a lot easier to drill a new hole next to the large grommet, that most people just push over to the side and then run thier wire through, which can become a fire hazard or short out and lose power to something important.

I’ve drilled as many as 3 holes here to pass cables.

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Manvel, TX

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 8:30am - 4:30pm