Air and Fuel› Superchargers, Turbochargers and Components

Pulsar Turbo Systems

Dual Ball Bearing Turbocharger

$659.99

SKU: 5855G

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Pulsar Turbo Systems 5855G is a dual ball bearing turbocharger designed for enhanced performance. It features a 58x71mm compressor wheel and a 60x55mm turbine wheel, utilizing a dual ceramic ball bearing system for improved response and durability.
Show original supplier description
The Pulsar Turbo Systems 5855G is a high-performance dual ball bearing turbocharger, also known as the AKA G30-770. The turbo features a 9-blade G-Aero billet compressor wheel with extended tapered tip technology and a 9-blade G-Aero Inconel 713c turbine wheel, facilitating significant airflow and power potential. Key specifications include a 58x71mm compressor wheel and a 60x55mm turbine wheel. The compressor inlet measures 4″, and the outlet is 2″. It offers versatile turbine inlet options including T25, T3, T4, or V-BAND, and a V-Band turbine outlet. The unit is equipped with two M14 x 1.5 water ports for cooling and a 7/16-24 UNF oil inlet with a pre-installed -4AN restrictor, utilizing a standard T3 oil drain flange. This model is available for forward rotation and is offered without compressor or turbine housings, allowing for customization with various housing options. This turbocharger is designed as a universal fit product, adaptable to a wide range of vehicle makes and models. It is rated for up to 770 horsepower, making it suitable for enthusiasts seeking substantial power gains.
Vehicle Symptoms
  • Loss of power under acceleration
  • Excessive black or blue smoke from exhaust
  • Loud whistling or whining noise from turbo
  • Poor acceleration and turbo lag
  • Check engine light on with boost-related codes
Diagnostic Codes
  • P0234 – Engine Overboost Condition
  • P0236 – Turbocharger Boost Sensor A Range/Performance
  • P0237 – Turbocharger Boost Sensor A Circuit Low
  • P0238 – Turbocharger Boost Sensor A Circuit High
  • P0243 – Turbocharger Wastegate Solenoid A Malfunction
Relevant Conversations
  • My car is down on power and I'm getting P0234 – should I replace the turbo?
  • Which dual ball bearing turbo is best for my 2.0T – Pulsar or Garrett?
  • How long does it take to install a Pulsar 5855G turbo?
  • G30-770 vs GTX3071R – daily driver with occasional track use
  • Loud whistling noise under boost – turbo on the way out?
  • P0236 code after upgrading turbo – need a bigger wastegate?
  • Best turbo upgrade for 400whp on a budget – Pulsar 5855G?
  • Smoking turbo? Rebuild or replace with a dual ball bearing unit?
  • P0237 low boost – intercooler leak or turbo failure?
  • Any videos on installing a Pulsar turbo on a WRX?

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPulsar Turbo Systems
Part Number5855G
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy