5.75" Marmon Stainless Steel Quick Release Clamp — 99502-0588

When your S400, S410SX, or T6 turbo build demands a clamp you can trust, settle for nothing less than a precise, corrosion-resistant fit. The BSI Inc. 5.75 Marmon stainless steel quick release clamp is purpose-built for the exact flange diameter these turbos use — so you spend less time second-guessing and more time making boost.

Why This Clamp Belongs on Your Build

Dead-On Fitment

Engineered to the 5.75" Marmon flange spec, this clamp seats correctly on S400, S410SX, and T6-flanged turbos — downpipe side or exhaust side — without modification or shimming.

Stainless Steel Construction

Built from stainless steel throughout, this clamp stands up to heat cycles, exhaust vibration, and the kind of road salt and harsh weather that accelerates rust on lesser hardware. Whether you're turning wrenches in Vancouver or Phoenix, it holds up.

Quick-Release Lever Design

Forget wrestling with a standard T-bolt or V-band clamp during a turbo swap. The quick-release lever lets you install or pull the clamp fast — a real advantage when you're mid-build or chasing a boost leak in the shop.

OEM-Style Reference

Listed under part number 99502-0588, so you can cross-reference it with confidence and reorder without guesswork.

Built for High-Demand Applications

Suited to the vibration and thermal load of turbo exhaust connections — ideal for performance diesel builds, but equally at home on any gas or diesel turbo application running a 5.75" Marmon flange.

Stop digging through generic listings hoping the sizing is right — this clamp is exactly what your S400-series or T6 build needs, shipped right to your door.

FAQ

What turbos does this 5.75 Marmon stainless steel quick release clamp fit?

It is engineered to the 5.75" Marmon flange spec for S400, S410SX, and T6-flanged turbos, on the downpipe side or exhaust side.

Is this clamp made from stainless steel?

Yes. It is built from stainless steel throughout to stand up to heat cycles, exhaust vibration, road salt, and harsh weather.

What is the part number for this clamp?

The OEM-style reference part number is 99502-0588.

How does the quick-release lever help during installation?

The quick-release lever lets you install or pull the clamp fast, which is useful during a turbo swap or when chasing a boost leak in the shop.