Add fingertip control to your Allison transmission for easier shifting when passing, pulling, hill climbing or wherever you need to switch gears quickly – just like the newer trucks. BD’s Tap Shifter...

Add fingertip control to your Allison transmission for easier shifting when passing, pulling, hill climbing or wherever you need to switch gears quickly – just like the newer trucks. BD’s Tap Shifter...

Add fingertip control to your Allison transmission for easier shifting when passing, pulling, hill climbing or wherever you need to switch gears quickly – just like the newer trucks. BD’s Tap Shifter...

Add fingertip control to your Allison transmission for easier shifting when passing, pulling, hill climbing or wherever you need to switch gears quickly – just like the newer trucks. BD’s Tap Shifter...

Your transmission was only designed to handle the torque and horsepower the stock engine delivers, and in the case of some Dodge models, even the stock torque can present a challenge. So when you...

Aftermarket exhaust manifolds that increase the internal bore size of their units compared to the port size on the cylinder head cools the exhaust inside the manifold only, but, the temperatures...