Please allow a 4-6 week lead time on this product. 

Gear-HD

SHIFT-HD is a 50wt semi-synthetic lubricant formulated strictly for heavy-duty manual transmissions in diesel pickups and heavy trucks that have been modified or see constant abuse. Shift-HD provides radically upgraded lubrication and film strength that promotes increased load capacity, eliminates gear & bearing wear, protects seals, minimizes friction, provides smoother shifting, and lowers fluid temperatures extending fluid life. If you run a manual transmission in a modified truck SHIFT-HD is the only lubricant that provides the protection your transmission needs so you can put the hammer down worry-free!

Gear-HD Features:

• Reduces frictional drag
• Reduces wear & high operating temperatures
• Maximizes protection against extreme shock loads 

Part Number: DIFGEARHD3201 & DIFGEARHD3212