
Head Studs, and Why They Matter
Mar 4 2025
Head studs are threaded fasteners that secure the cylinder head to the engine block, similar to traditional head bolts. However, unlike bolts, studs are installed into the block first, and then the head is placed on top before securing it with a nut. This design provides multiple advantages, including improved clamping force and easier assembly.

Protect Your Remanufactured Transmission – Why a Bypass Delete Kit Is a Must-Have!
Mar 4 2025
Investing in a remanufactured transmission? Learn why a bypass delete kit is a crucial add-on to prevent overheating, improve fluid flow, and extend transmission life.

GMC Cast Iron Engine
Feb 3 2025
The L5310GMCCI is a powerful 5.3L V8 engine from General Motors, widely used in GMC and Chevrolet trucks and SUVs. Known for its durability and efficiency, it features Active Fuel Management, sequential fuel injection, and variable valve timing. With horsepower ranging from 285 to 355 and torque up to 383 lb-ft, it delivers strong performance. Drivetrain Direct has these engines in stock and ready to ship!

Ford 6R140 Transmission
Feb 3 2025
The Ford 6R140 is a heavy-duty six-speed automatic transmission designed for Ford Super Duty trucks (F-250 to F-550). Known for its high torque capacity (1,400 lb-ft) and durability, it features TorqShift technology, Tow/Haul mode, SelectShift manual control, and an integrated PTO provision. Built with an aluminum alloy case, advanced TCM adaptive learning, and a dedicated cooling system, it ensures smooth shifts, fuel efficiency, and reliability for towing and hauling.
Drivetrain Direct has them in stock and ready to ship! ????????
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