Air and Fuel› Superchargers, Turbochargers and Components

Speedyracer

Turbocharger with MFS Compressor Wheel

$774.99

SKU: PTB003-5431E

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$100 Minimum Order
30 Days Return
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Overview

The Speedyracer PTB003-5431E is a turbocharger designed for higher efficiency and faster transient response. It features an exclusive MFS® (Machined From Solid) compressor wheel with a 54mm inducer and a 57mm T31 exducer with a 76 trim turbine wheel.

The turbocharger utilizes a Hydrodynamic 360° Thrust Bearing System for reliable operation. The "E" compressor housing is sized for a 3" intake pipe and a 2" intercooler pipe. Customers can choose from various turbine exhaust housing options, including T3 .48 or .63 A/R with a 4-bolt discharge or a 5-bolt discharge (with or without a wastegate hole).
Show original supplier description
The Speedyracer PTB003-5431E is an entry-level turbocharger engineered to provide higher efficiency and faster transient response, ultimately leading to maximum power and performance. Its core is the exclusive MFS® (Machined From Solid) compressor wheel, featuring a 54mm inducer and a 57mm T31 exducer with a 76 trim turbine wheel. This turbocharger is equipped with a Hydrodynamic 360° Thrust Bearing System, a testament to its journal bearing design, ensuring smooth operation and longevity. The "E" compressor housing is precisely sized to accommodate a 3" intake pipe and a 2" intercooler pipe, facilitating straightforward integration into custom setups. Customers have the flexibility to select their preferred turbine exhaust housing from a range of options at no additional cost. These include housings with a T3 flange and either a .48 or .63 A/R ratio, available in either a 4-bolt discharge or a 5-bolt discharge configuration, with the latter offering the option of a wastegate hole.

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.

Fitment

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Specifications

BrandSpeedyracer
Part NumberPTB003-5431E
CategoryAir and Fuel
5,000+ Trusted brands
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Returns & Fitment

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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Shipping

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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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