T4 Riser Block - GM 6.6L Duramax Without wastegate port 2 3/8” Height

An additional T4 flange riser block is sometimes required for turbos (GT40, GT42R, or larger).

NOTE: THIS PRODUCT ONLY FITS PURPOSE-BUILT VEHICLES.

LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, REGISTERED, OR LICENSED FOR HIGHWAY OR OFF-ROAD USE.

In order to purchase this product: Per EPA guidelines PPE Inc. is required to as per the performance of due diligence required to request the following to determine if the vehicle is a non-road registered racing vehicle that will NEVER be used on the highway or public lands - unless closed course racing event in order to approve this purchase. 1. Pictures of the racing vehicle. 2. VIN Nos. or indicate if none is present. 3. State and NHRA vehicle/driver registration information or equivalent (when applicable). 4. Racing circuits for these types of vehicles and any other documentation. For information on how to submit these documents please call Monday to Friday 8:00 a.m. to 5:00 p.m. PST