Sinister Diesel Update Kit w/ Sinister Diesel Blue Spring Kit Ford 6.0L Powerstroke 2003-2004

Make Vehicle	Model	Submodel	Year	Engine	Notes
2003 Ford Excursion	Excursion		2003	8 Cylinder 6.0 Liter
2003-2004 Ford F-250 Super Duty	F-250 Super Duty		2003-2004	8 Cylinder 6.0 Liter	D-721-4
2003-2004 Ford F-350 Super Duty	F-350 Super Duty		2003-2004	8 Cylinder 6.0 Liter	D-721-4

Who is Sinister Diesel?

Sinister Diesel is an American bred company built by Brian George, Michael Mitchell, and a whole team of people who share the same passion, diesel-powered 4x4 vehicles. It all started when this group of friends was tinkering with their truck and had an idea to start a company that would provide high-performance diesel parts that would stand out among the rest. As enthusiasts themselves, they understand what it takes to make these vehicles perform, which is what they try to provide with their customers. Today, Sinister is considered one of the fastest-growing companies when it comes to diesel aftermarket parts.

Partnering With The Best

Diesel works closely with some of the top brands in the market such as ARP, H&S Performance, SCT, Bully Dog, MBRP, AFE, and S&B. This allows them to provide one of the widest selections of parts to their clients. They offer parts such as water pumps, head gaskets, Turbochargers, engine components, electrical components, and more. 

You Will Know It’s Sinister Diesel

Sinister Diesel creates a stylish and distinctive look for all their parts. Their parts are finished in metallic blue which the company dubbed “ Sinister Blue”. This adds an aesthetic value to the vehicle and helps provides a distinct look that people would remember.

Purchase Sinister Diesel Products At Vivid Racing

If you are in the market for high-quality diesel parts, then Sinister Diesel is the brand for you. They provide all the parts needed to improve the performance of your vehicle and they do this in style. To know more about Sinister Diesel, Visit Vivid Racing and check out their list of products that fit your specific needs.

Warranty Terms and Conditions:

Racing - Also, due to the nature of Race Only Parts, these items are not returnable or refundable. ALL SALES ARE FINAL and these products have no warranty.
Street - The warranty for parts designated "street legal" covers manufacturer defects. Should a "street legal" part fail due to a defect in manufacturing as determined by Sinister Diesel, customer is entitled to replacement of that specific part, or the equivalent amount in Store Credit. No credit will be issued for labor expenses incurred.
To initiate a warranty claim, please contact our Warranty Department to begin the process.
All warranty determinations including, but not limited to, the cause of part failure and customer remedy will be determined solely by Sinister Diesel.
In all cases, the item must not have exceed the Manufacturer's warranty period.
If the part was built by another Manufacturer, all Warranty Requests and Claims have to be made directly with the Manufacturer themselves.
Gaskets, O-Rings and other Wearable Parts are not covered under Warranty