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 S300SX-E 2011-2016 LML Single turbo kit

  If you have an LML truck and are looking for a single charger that spools decent with more upper RPM HP, this is a great choice. We've tested the durability of these SX-E S300's to make sure...

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...

LBZ 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...

SDP One Piece Drivers Side Intercooler Pipe L5P

  This pipe replaces the factory drivers side intercooler pipe on the 2017-2019 L5P Duramax's with a solid one piece 3" unit. Remove your 2.5" factory intercooler pipe that has 3 silicone boots...

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 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 Twin Turbo Coolant Tank 01-07 LB7/LLY/LBZ

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 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 S400 install kit LB7 or LLY

These kits are currently made to order. This kit is for the LB7's and LLY's only. The kit includes all the parts you will need except for the T4 S4 frame charger, add a Batmowheel turbo or...

SDP S366SX-E/Billet S480 twin kit 01-15

  750-1000RWHP (we can do an S488SX-E in place of the S480 for an additional cost) Full kit with everything you need just like our standard twin kits do. Including 3" Y-bridge, 3" drivers side...

SDP 06-07 LBZ Twin Kit

SDP Duramax 06-07 LBZ compound turbo kit- up to 750RWHP   Features of our kit:   Includes our 3" Billet high flow Y-bridge kit that is built to withstand well over...