Vehicle Fitment

• Universal — Compatible with turbocharger builds using GT25/GT28/GTX28‑series CHRA on small‑frame setups
• Commonly used with GT2860R, GT2860RS, GT2871R, GT2876R, and GTX‑series turbos requiring T25 inlet / 5‑bolt outlet configuration

Features

• High‑silicon cast turbine housing for durability and thermal resistance under high exhaust temperatures
• 0.64 A/R (area‑to‑radius ratio) optimized for responsive spool‑up and balanced flow on 1.8 L–3.0 L displacement engines
• T25 inlet flange with 5‑bolt T25/T28‑style outlet — facilitates compatibility with many small‑frame turbo cartridges and manifolds
• Internally waste‑gated design — includes provision for wastegate actuator to control boost pressure smoothly
• Compact small‑frame layout — ideal for tight engine‑bay packaging where standard turbo housings may not fit
• Direct bolt‑on replacement of existing turbine housings on compatible GT‑series turbos — simplifies upgrades or custom builds
• Supports balanced performance builds — tuned for lower lag while still capable of mid‑range power and boost response
• Construction suitable for street, sport, and track use — optimized for durability under repeated thermal and load cycles

Specifications

• Part Number: 430609‑0230
• Turbine Housing Size: 0.64 A/R
• Inlet Flange: T25
• Outlet Flange: 5‑bolt GT/GTX‑series turbo outlet
• Wastegate: Internal waste‑gate provision (actuator mount required) — housing does not include external waste‑gate
• Material: High‑silicon cast turbine housing (high‑heat Ni‑Resist style cast) for high thermal load resistance
• Compatibility: GT25 / GT28 / GTX28 derivative turbo schemes with T25 inlet & 5‑bolt outlet; commonly used on 4‑cyl turbo engines 1.8 L–3.0 L
• Intended Use: Turbocharger build or rebuild — ideal for users swapping turbine housings for spool/boost tuning or packaging constraints

Included Components

• 1x GT28/GTX‑series Turbine Housing (0.64 A/R, T25 inlet / 5‑bolt outlet) — part 430609‑0230

Product Description

The Garrett 430609‑0230 turbine housing is a performance‑oriented component designed to give tuners and custom builders flexibility and improved boost response in compact turbo setups. Featuring a 0.64 A/R ratio and a T25 inlet combined with a 5‑bolt GT/GTX outlet, this housing is optimized for smaller displacement engines (roughly 1.8 L to 3.0 L) where quick spool‑up, improved throttle response, and efficient exhaust flow are priorities. Its high‑silicon cast construction offers the heat resistance needed for repeated high‑temperature operation, making it suitable for street, track, or hybrid use.

Because this housing uses a common T25 / 5‑bolt layout, it offers broad compatibility with many CHRA and manifold configurations — making it a strong choice for turbo rebuilds, custom turbo installs, or upgrades when the stock housing doesn’t meet performance or packaging needs. Its internally waste‑gated design lets you integrate a waste‑gate actuator for precise boost control. Whether you’re building a performance engine for daily driving, rally, or track use — the 430609‑0230 offers a reliable, high‑quality base for a small‑frame turbocharger system that balances spool, power, and reliability.