PPE T4 Riser Block Without Wastegate Port - 2 3/8" Height (GM 6.6L Duramax) - (116006058
Overview
The PPE T4 Riser Block (No Wastegate Port) provides additional turbocharger clearance for GM 6.6L Duramax applications running larger T4-frame turbos. This riser block is ideal for custom performance builds that require extra height for proper turbo placement and improved component alignment.
Durable, Purpose-Built Design
Featuring a 2 3/8-inch height, this riser block is engineered for setups that do not require an external wastegate port. It offers a clean, straightforward solution for mounting larger turbos such as GT40, GT42R, and similar units that may need additional spacing.
Includes Installation Hardware
PPE includes four studs and four nuts to simplify installation. The riser block bolts directly between the T4 turbo and pedestal, making it a convenient upgrade for custom turbo configurations.
Race-Use Only
This product is intended for purpose-built racing vehicles and may require custom fabrication depending on your turbo setup. It is legal for use in California only on vehicles that are never driven on public roads or off-road trails.
Key Features
- 2 3/8-inch T4 riser block for added turbo clearance
- No wastegate port for simplified turbo mounting
- Includes installation hardware (4 studs and 4 nuts)
- Ideal for large-frame T4 turbos (GT40, GT42R, etc.)
- Designed for custom, purpose-built applications
- Race-use only; not legal for street or off-road use
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

