sinisterdiesel.com Reviews

About this Company

Sinister Diesel is your one stop shop for Ford F-250 & F-350, Chevy Silverado, GMC Sierra, and Dodge Ram diesel performance parts. Sinister Diesel is also the number one source for Diesel aftermarket components, exhaust systems and diesel tuners, for Ford Super Duty Powerstroke, Dodge Ram Cummins, GMC Sierra 2500HD/3500HD Duramax and Chevy Silverado 2500HD/3500HD Duramax engine repair parts, upgraded EGR coolers, lighting, bumpers, grilles and suspension components from our parent company Sinister MFG & Sinister Diesel®. We offer the biggest names in the industry to help you repair or modify your Powerstroke, Cummins, or Duramax diesel engine.

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37 Product Ratings and Reviews

Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L

Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L

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4.8

Overall Star
Rating

5 Shopper Approved - Review Star
33
(89%)
4 Shopper Approved - Review Star
1
(3%)
3 Shopper Approved - Review Star
3
(8%)
2 Shopper Approved - Review Star
0
(0%)
1 Shopper Approved - Review Star
0
(0%)

About this Company

Sinister Diesel is your one stop shop for Ford F-250 & F-350, Chevy Silverado, GMC Sierra, and Dodge Ram diesel performance parts. Sinister Diesel is also the number one source for Diesel aftermarket components, exhaust systems and diesel tuners, for Ford Super Duty Powerstroke, Dodge Ram Cummins, GMC Sierra 2500HD/3500HD Duramax and Chevy Silverado 2500HD/3500HD Duramax engine repair parts, upgraded EGR coolers, lighting, bumpers, grilles and suspension components from our parent company Sinister MFG & Sinister Diesel®. We offer the biggest names in the industry to help you repair or modify your Powerstroke, Cummins, or Duramax diesel engine.

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Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Stephen L - 01/15/2023

Super easy install, cheap upgrade to the 6.0, highly recommend


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

wyatt - 12/31/2022

Highly recommend buying this

It's worth the money 100% my 6.0 drives a whole lot better after i installed this highly recommend buying this as your first mod for your 6.0 youll feel the diffrence and its worth every penny it'll save your injectors from failing.

Company Choice

Good quality parts

wyatt

12/31/2022

Great parts for bulletproofing a 6.0 powerstroke


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

James J - 12/27/2022

Exceeded my expectations

Company Choice

I’ve purchased other products

James J

12/27/2022 - CA

Outstanding


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

jeremiah S - 12/19/2022

The only complaint I have is that the bolts aren't long enough. Instead of crying and sending it back. I just bought new ones to fit. Seem to run fine. Didn't change anything nor the fuel milage

Company Choice

Sponsored advertising

jeremiah S

12/19/2022 - OH

Experience was fine regarding buying it.


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Tyler B - 12/18/2022

Easy installation and I noticed immediate difference in performance just on how the truck idled.

Company Choice

I trust Sinister Diesel with the parts and hardware I put into my 6.0.

Tyler B

12/18/2022 - WA

Website is easy to navigate, shipping was fast, parts look great! And it's trustworthy components for my 6.0.


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Zach E - 12/12/2022

Awesome product and gives a little extra color under the hood with the blue


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Rob T - 12/06/2022

Rilley nice look and easey to install. Thanks guys :)

Rob T

12/06/2022 - MT

Allways grate prodects and fast shipping thanks guys


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Jeremy S - 10/28/2022

Oh my what a difference would recommend to anyone.

Company Choice

Everything looks nice and good quality

Jeremy S

10/28/2022 - FL

Great will continue to buy from here


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Aaron - 10/07/2022

Holes in the billet housing were too small to fit onto the fuel bowl. Installed the seat and spring with new gasket using the OEM housing. Wish the housing would have fit - easy way for anyone to know the truck has the blue spring kit in the future.

Aaron

10/07/2022 - MI

Good online experience, poor product fitment.


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Darin N - 09/02/2022

Pretty

Wish I would have waited a couple days. After I bought it. It went on sale for about 20$ cheaper lol

Company Choice

Heard good things

Darin N

09/02/2022 - IN

Easy .


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Ed S - 08/23/2022

The kit fit the assembly like an original. It did not fix the problem that I was having, but it will make the engine run better when we get the other problem fixed.

Company Choice

Referred by a friend.

Ed S

08/23/2022 - MT

Thank you for having these parts. It was easy to order the right parts and they were sent quickly.


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Jonathan D - 08/21/2022

Gives better throttle response to the engine


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Albert G - 07/19/2022

Great


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Corey C - 07/09/2022

We absolutely loved the outcome of our products! We’re looking to get a gift card soon with y’all and already placed another order!


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Luke R - 06/03/2022

Great product

Company Choice

Best product

Luke R

06/03/2022 - TX

Good


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Robert W - 05/30/2022

Customer service was great, product was as described and works flawlessly

Robert W

05/30/2022 - IN

Ordered the non adjustable by accident, called customer service and they took care of it right away


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
See more product reviews

Dennis D - 05/23/2022

Very well made!


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