Click on image to zoom

SDP S400-GT42 install kit with or w/o turbo LB7-LLY

These kits ship 1-2 weeks from the time they are ordered. 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 Garrett to make it 100% complete. Contact us for Borg Warner or Garrett box unit turbo pricing. Prices on the turbo's vary depending on sizing options. Several sizes available and we will spec the right size for you based on your needs.
Pricing: $2,025.00




  • 4" aluminized downpipe
  • 5" intake with large AFE Dry filter
  • Drivers side intercooler pipe, V-band assembly
  • Braided stainless feed and drain line, custom billet fittings for the drain line
  • Billet T4 riser block and cast pedestal with studs
  • Drivers side transmission dip stick
  • Low profile Billet turbo thermostat coolant plug


If you have an LLY, you will either need a factory LB7 Y-bridge and IC pipe or you will need to choose the 3" Y-bridge option.

We can also add a diverter valve for quicker spoolup, they run an extra $680 and include custom CNC'd parts to make them fit with our kit.

*may not fit California emissions model LB7 trucks without modifications to emissions equipment or complete removal

Shipping Information

  • Item Requires Shipping
  • 90.0 lbs.

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.