Air and Fuel Superchargers, Turbochargers and Components

Treadstone

H22 Turbo Kit with PT5558 Turbocharger

$3,499.99

SKU: TKPREDH22-BB

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Ships by Sep 1
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30 Days Return
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Overview

The Treadstone H22 Turbo Kit is a complete turbo system for the Honda Prelude with an H22 engine. This kit features a Precision PT5558 ball-bearing turbocharger with a T3 inlet, V-band outlet, and a 0.63 A/R. It includes a Treadstone cast manifold, a PTE GEN2 39MM wastegate, and a Treadstone TR8 intercooler. The kit also comes with a 2.5-inch polished aluminum pipe kit, a stainless steel downpipe kit, a complete oil kit, and silicone couplers with T-bolt clamps. A high-flow air filter is included, with an option to upgrade to a K&N filter. All necessary hardware is provided.
Show original supplier description
The Treadstone H22 Turbo Kit is a comprehensive performance upgrade designed for the Honda Prelude equipped with the H22 engine. This kit utilizes a Precision PT5558 ball-bearing turbocharger, featuring a T3 inlet, V-band outlet, and a 0.63 A/R for optimized airflow and spool characteristics. The core of the system is built around a durable Treadstone cast manifold, paired with a PTE GEN2 39MM wastegate to precisely manage boost pressure. Cooling and air delivery are handled by a Treadstone TR8 intercooler, complemented by a 2.5-inch polished aluminum pipe kit. The kit includes a stainless steel downpipe, though fabrication and welding will be required to connect it to your existing exhaust system. A complete oil feed and return line kit ensures proper lubrication for the turbocharger, while Treadstone silicone couplers and T-bolt clamps provide secure connections for all intake plumbing. A high-flow air filter is supplied, with an option to upgrade to a K&N unit for enhanced filtration and airflow. All necessary mounting hardware is included for a complete installation. It's important to note that no fuel components are included, as fuel management strategies vary widely. Users will need to consider upgrades such as larger fuel injectors, an FMU, piggyback controllers, or full programmable engine management to safely support the increased airflow. Additionally, the kit has provisions for HKS/Tial blow-off valves, which must be purchased separately.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandTreadstone
Part NumberTKPREDH22-BB
CategoryAir and Fuel

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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