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4R100 TransmissionYou need the Factory Tech Monsterbox when it's time to replace your 4R100 Ford automatic transmission

The 4R100 is an automatic transmission on several models of Ford vehicles, and the earlier version was the E40D. It is found in every year of the F250 and F350 models which are equipped with the 7.3L Powerstroke. The 4r100 transmission is an excellent stock transmission to start with, but if you are looking for a transmission that can handle anything, consider upgrading to the Factory Tech Monsterbox. Hand-built with precise accuracy, the Monsterbox can withstand a surprising amount of flywheel torque, past 1800 ft/lbs! Fantastic product, awesome warranty and built on request for your particular vehicle. At DieselSite.com you'll find both a kit to rebuild your 4R100 transmission and/or the complete Factory Tech monsterbox to replace your 4R100 transmission along with diesel performance parts to help you get the most out of it..

Upgrade your Ford or Dodge with a LUK clutch

GET THE SOLID MASS FLYWHEEL FOR YOUR POWERSTROKE TODAY! Check out our selection of Luk Clutches for your Ford Powerstroke. Dieselsite has been carrying luk clutches since we opened our doors.  The dependable clutch has been one of our best selling items.

The LUK Pro Gold was designed to be a high performance clutch for commercial use and/or towing, four wheeling, and plowing. Additionally, it's thought of as an excellent choice for modifications or upgrades you may make to your truck including suspension and engine alterations. Combine it with a LUK flywheel for more power. The Pro Gold LUK kit comes with a disc assembly, alignment tool, as well as release and pilot bearings. It is known for its superior clamp load and the consistent performance it gives throughout its life capacity. If you drive a Ford 7.3L five or six speed, upgrade to the cerametallic clutch kit if you're driving under high torque conditions and/or commercial use. The cushioning system unique to this LUK clutch will deliver a seamless vehicle launch. Unlike the Pro Gold, you do not have the option of pairing the cerametallic with a LUK flywheel--all Ford clutches include the flywheel. Many drivers swear by these clutches for smooth, no-chatter driving.

Shop Dieselsite.com for LUK clutch upgrades for 5.9L Dodge Cummins and 7.3L Fords. They will allow you to take on higher clamp loads and will last longer LUK Clutchwhile performing better than stock clutches. You'll find this clutch softer than the stock issue, contributing to more comfortable driving. If your Ford's clutch fork has broken, or if you want to replace it before it does break, we carry the upgraded part at Dieselsite.com. Don't forget about rest of the drivetrain. We carry everything from motor upgrades all the way back to differential covers. Let DieselSite.com supply you with great product selection and an endless amount of diesel performance knowledge.


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