Cummins ISX & X15 Non-VGT T6 Exhaust Manifold Installation Kit

Whether you're replacing a cracked manifold or converting your Cummins ISX or X15 to a fixed-geometry turbocharger, this complete installation kit includes the hardware and sealing components needed to get the job done right the first time.

Designed specifically for non-VGT T6 exhaust manifold applications, this kit eliminates the hassle of sourcing individual parts and ensures you have the correct combination of hardware for a professional installation.

Unlike the factory VGT manifold, a T6 exhaust manifold positions the turbocharger lower on the engine. Because of this, the two manifold mounting locations directly beneath the turbo flange require shorter bolts and shorter spacers. This kit includes the proper combination of hardware to accommodate that design.

Kit Includes

• Exhaust Manifold Gaskets
• T6 Turbo Mounting Gasket
• Turbo Oil Feed Gaskets
• Turbo Oil Drain Gaskets
• 10 Standard-Length Exhaust Manifold Bolts
• 2 Short Exhaust Manifold Bolts
• 10 Standard-Length Exhaust Manifold Spacers
• 2 Short Exhaust Manifold Spacers

Features

• Complete installation kit for non-VGT T6 manifold conversions
• Fits all Cummins ISX and X15 engines using aftermarket T6 exhaust manifolds
• Includes all major sealing components and installation hardware
• Correct hardware configuration for T6 manifold applications
• Eliminates the need to reuse old bolts, spacers, or gaskets
• Heavy-duty components designed for high-temperature diesel applications

Fits

• Cummins ISX CM870
• Cummins ISX CM871
• Cummins ISX CM2250
• Cummins ISX CM2350
• Cummins ISX CM2450
• Cummins X15
• Aftermarket T6 flange exhaust manifold applications
• Non-VGT turbocharger conversions

Important Fitment Information

This installation kit is intended only for engines equipped with an aftermarket T6 exhaust manifold and non-VGT turbocharger.

Because the T6 turbo mounting flange sits lower than the factory VGT manifold, the two manifold mounting locations directly beneath the turbocharger require shorter bolts and shorter spacers to achieve the proper clamping force and thread engagement.

This kit includes the correct hardware configuration:

• 10 standard-length bolts
• 2 short bolts
• 10 standard-length spacers
• 2 short spacers

It also includes the essential sealing components needed during installation, including the exhaust manifold gaskets, T6 turbo mounting gasket, and the basic oil feed and oil drain gaskets commonly replaced during a turbo installation.

Why Replace Everything?

Converting to a non-VGT turbo or replacing an exhaust manifold is the ideal time to replace all of the associated hardware and gaskets. Years of heat cycles and vibration can stretch bolts, corrode spacers, and permanently compress gaskets, increasing the risk of exhaust, oil, and boost leaks after reassembly.

Using the correct hardware is especially important on T6 manifold applications, where the lower turbo mounting position requires different bolt and spacer lengths than a factory VGT setup.

This complete installation kit provides everything needed to complete your manifold and turbo installation without unnecessary trips for additional parts, helping ensure a reliable, leak-free installation from day one.