SDP Built Allison 1000 Transmission with Billet Torque Converter

*Freight includes shipping BOTH ways and it must be a commercial address with a forklift or extra shipping charges may be applied.   This Allison 1000 is built in house to the highest of...

SDP 06-10 LBZ/LMM Duramax Coolant Pipe

This is an upgrade to the factory upper coolant hose going to the radiator. We make ours out of 304 Stainless Steel so you can be worry free of rust and deforming as you would get from either steel...

LMM 4" intake

This is a complete 4" intake kit for an LMM Duramax that will work on a stock truck or with any drop in replacement turbos and/or intercooler plumbing.  Expect more airflow for HP gains and...

S300 T4 Turbo Blanket

This blanket is a high quality multi layered fiberglass material made to wrap around a T4 S300 exhaust housing to keep the heat out of the engine bay. Perfect for your SDP turbo kit!

S400 T6 Turbo blanket

This blanket is a high quality multi layered fiberglass material made to wrap around a T6 S400 exhaust housing to keep the heat out of the engine bay. Perfect for your SDP compound turbo kit!

Machined P1 sun gear for use w/billet C2 hub

Type a description for this product here...

SDP Allison transmission build kit- DEALER ONLY KIT

This transmission build kit is for our qualified installers only. To get setup to purchase and install these transmission build kits with your business, contact us.

SDP Hot Side Intercooler pipe- Drivers side 2006-2010

Here at SDP we've designed a hot side/driver side IC pipe for the 2006-2010 Duramax trucks that fits perfectly with the stock turbo in place. Each pipe is made in house using precision tig welding...

SDP Billet GT3794 68mm New Turbo

* Cannot ship or bill to California addresses. This new Billet 68mm 3794 turbo spools similar to the stock turbo (when using EFI Live tuning) with added airflow for more HP. This turbo is brand new...

SDP Drill JIG tool for oil pan

If you want to get a perfectly square hole for your oil drain fitting when installing your twin turbo kit, this is the JIG tool you will need. It is much easier to run the tap into a round hole vs...

SDP Billet 4094 Compressor Wheel

Drop in replacement for your stage 2 68mm 4094avnt or GT4094R turbo. It is fully balanced and ready to be bolted in!

SDP Billet S475 Compressor Wheel

Fully balanced Billet wheel for your S475 twin kit or single S475! It is ready to be bolted in and will give you quicker spoolup and flow more air on the top end.

SDP S400 - GT42 install kit with or w/o turbo LBZ-LMM

These kits are currently made to order. They fit the LBZ and LMM trucks.   The kit includes all the parts you will need except for the S400 frame charger or GT42 series charger. Add a...

SDP Twin Turbo Coolant Tank 07.5-10 LMM

Custom Powercoat Color Options- Here Current lead time for fabricated & powder coated parts is 20-25 business days from the time order is placed until it ships.

SDP 3" High-flow Billet Y-Bridge & Intercooler Pipe kit - LBZ LMM

 *Cannot be sold or shipped to California addresses*   This is our new high-flow billet 3" Y-bridge with a full 3” bore! We used computational fluid dynamic software to test the air...