Sinister Diesel Blue Spring Kit with Billet Spring Housing (Blue) 03 …
Rating: 5,825 reviews from 2 sources
Reviews
Selected Review of 76 Reviews
Easy install...for a 6.0..and an awesome price … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Super easy install, cheap upgrade to the 6.0, highly recommend … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Great parts and easy to follow instructions. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Restored lost fuel pressure from the old spring, stopped the leak that I had coming from the bottom of the regulator and has been running … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
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 … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Great service received blue spring quick … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Fast shipping. Great product. Definitely ordering more parts again . Highly recommend … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Great price, quality and appearance while also a proper fix … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
I have 2 6.0 Fords, love the trucks . The spring kit worked out great , I would recommend the kit , don't get Amazon or other place , this … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Installation was easy. Julian was answered my question about the lack of a factory o ring on the stock unit. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Wish I would have waited a couple days. After I bought it. It went on sale for about 20$ cheaper lol … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Awesome product and gives a little extra color under the hood with the blue … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
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 … Read full review
sinisterdiesel.com
Selected Review of 7 Reviews
I should have got the kit that included the fuel filter cap. The install is relatively easy and worth it. … Read full review
www.thoroughbreddiesel.com
Selected Review of 76 Reviews
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 … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy installation and I noticed immediate difference in performance just on how the truck idled. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Katie reached out and resolved my issue. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Rilley nice look and easey to install. Thanks guys :) … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Oh my what a difference would recommend to anyone. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
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 … Read full review
sinisterdiesel.com
Selected Review of 7 Reviews
Looks amazing havenât had time to install it yet check back please … Read full review
www.thoroughbreddiesel.com
Selected Review of 76 Reviews
Quick and easy install. Looks good too. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Gives better throttle response to the engine … Read full review
sinisterdiesel.com
Selected Review of 7 Reviews
Part was exactly what I needed and came in just as stated and on time. Thanks … Read full review
www.thoroughbreddiesel.com
Selected Review of 7 Reviews
Easy install and works very well … Read full review
www.thoroughbreddiesel.com
Selected Review of 76 Reviews
Got the blue spring kit and it was easy to install. Hopefully it will save my injectors in the future. … Read full review
sinisterdiesel.com
Selected Review of 7 Reviews
Product was as described. I am happy with my purchase … Read full review
www.thoroughbreddiesel.com
Selected Review of 76 Reviews
This kit would not fit on my fuel regulator correctly. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Great product at a great price. I had a leak, so I decided to upgrade everything. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
I haven't installed it yet but it looks superior to the OEM part.c … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
High quality product for a fair price. Fit and finish was excellent. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
housing didnât fit and one of the studs broke off while lining it up … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy to install. And produced the appropriate results. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Good price and I havenât had any issues, looks amazing on the truck … Read full review
sinisterdiesel.com
Selected Review of 7 Reviews
Easy install and fast shipping. … Read full review
www.thoroughbreddiesel.com
Selected Review of 76 Reviews
great product and very responsive for an out of the box upgrade. only issue with this was that the instructions didn't have a labeled exploded … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Went with the non-adjustable and looking forward to seeing how it helps. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Very easy installation and looks great and noticable change … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
We absolutely loved the outcome of our products! Weâre looking to get a gift card soon with yâall and already placed another order! … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
A must have for the 6.0 Excursion. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Made it run smother better throttle response … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Customer service was great, product was as described and works flawlessly … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Installed really easyâ¦. Havent ran truck to see if i have any improvements … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Arrived on time installation was easy … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Product fits perfectly and it also made my 6.0 run smoother, along with much better idle and Cold starts … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Great buy , great price , works like it is supposed to … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
I didnât see any improvement but it is nice and shiny … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Well worth it for the 6.0 Powerstroke. Great upgrade from the stock option for a great price. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy to install and works as stated. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Very happy with this purchase itâs a great addition to the blue spring and looks great! … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Excellent product, it made a great difference in my truck. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Havenât had time to install it yet but looks perfect arrived on time no shipping damage … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
The kit arrived on time, was complete and robust in design. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
It worked perfectly and the Instructions were helpful … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy to install, brought my fuel pressure back up to where it should be, even with my tired, old pump. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
The item was incomplete it was missing some of the required hardware needed to install kit … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy to install love the feel and weight of the product solved my fuel problem with 4 simple bolts … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Good price fast shipping and a solid product … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
I noticed a smoother idle after installing the blue spring kit. Easy to install … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Not hard to put in go slow and donât strip the bolts … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Easy to install, noticed an immediate improvement in throttle response and definitely builds boost quicker. 100% recommend for … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
The product looks badass blue with the bulldog. I got it cuz the seals was leaking to replace them but the spring seems stiffer and stronger. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Fixed my truck it runs perfect now! Definently gonna be ordering more parts in the future. Excellent customer service and quality parts!!!! … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Not have on both my trucks made a huge difference … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Def made an improvement on throttle response. Can't wait to see what that does when we pull our trailer. … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
The installation was easy, and the instructions book was very well done, blue block looks pretty good under the hood … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Help my truck idle better and ran better … Read full review
sinisterdiesel.com
Selected Review of 76 Reviews
Product looks great and works great … Read full review
sinisterdiesel.com