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Boosted Engineering

B58 Forged Short Block 1200HP Rated (No Core Required) – Boosted Engineering

Overview Boosted Engineering B58 forged short block, engineered to support up to 1000whp in high performance applications. Built using a brand new OEM foundation and premium internal components, this package...
FROM$19,499.99
Incl. GST · AUD
Compression 10.2:1
Additional Add-Ons Head Gaskets Studs and Oil Pump
Warranty 12mo · Kit components
Shipping Worldwide · Insured freight
Tech support Direct workshop guidance
OVERVIEW

B58 Forged Short Block 1200HP Rated (No Core Required) – Boosted Engineering Overview

Overview

Boosted Engineering B58 forged short block, engineered to support up to 1000whp in high performance applications.

Built using a brand new OEM foundation and premium internal components, this package is designed for customers seeking a reliable, high power solution without the need for a core exchange.


Key Features

  • No core exchange required
  • Brand new OEM-based short block foundation
  • Rated for up to 1000whp / ~1200bhp (with supporting modifications)
  • Fully balanced rotating assembly
  • Built using proven components from our high performance engine program
  • Designed for high boost, high load and high RPM operation

Engine Specification

  • Brand new OEM B58 short block
  • Forged pistons (10.2:1 or 11:1 compression options)
  • Hybrid H/I-beam forged connecting rods
  • King Tri-Metal Race bearings (main & rod)
  • ARP main stud upgrade
  • Precision balanced rotating assembly

Optional Upgrades

Available at additional cost:

  • ARP head stud upgrade
  • Performance multi-layer steel head gasket (Cometic)
  • Upgraded oil pump assembly with reinforced internal components

Important Information

This is a short block assembly only (not a long block). Cylinder heads, external components and ancillaries are not included.

Unlike many engine programs, this package does not require a core exchange, allowing for a faster turnaround and simplified purchasing process.


Performance Capability

Designed for:

  • High boost turbocharged setups
  • Drag, roll racing and track applications
  • Customers targeting ~1000whp, high torque builds

Final performance is dependent on turbo system, fuel system and tuning.


Usage & Disclaimer

This product is intended for high performance and motorsport applications.

Due to the nature of high output engines, increased wear and reduced service intervals should be expected compared to standard engines.

Professional installation and calibration are required. Incorrect installation or tuning may result in engine damage.

Operation of a vehicle at this performance level requires appropriate mechanical understanding and driver competency. Boosted Engineering accepts no responsibility for damage resulting from improper installation, tuning, misuse or operation beyond intended limits.

SUPPORTING MODIFICATIONS

Supporting Modifications

The following are typically required to run this kit at intended output. Boosted Engineering can supply or advise on all of them.

  • ECU tune (custom)Boosted Engineering supplies base map
  • Upgraded fuel systemInjectors, fuel pump — spec varies with output
  • Upgraded ignitionR35 coilpack conversion recommended
  • Upgraded clutchTwin-plate for higher-power builds
  • Oil cooler kitRecommended for sustained high-load use
  • Upgraded axlesFor 350+ kW builds
SUITABLE APPLICATIONS

Street, Circuit & Drag

The Street Kit is designed for daily-drivable turbo builds with reliable, responsive power delivery. The Race Kit is oriented toward circuit and drag use where higher output and modular servicing are priorities.

INSTALLATION

Fitment & Install

The kit is designed for bolt-on installation in a suitably-equipped workshop. Installation is available at our Carrara QLD workshop, or through our trusted partner network in most metropolitan areas.

Approximate installation time — 20 to 30 hours depending on configuration and supporting work.

Enquire about workshop install
FREQUENTLY ASKED

Questions & Answers

Will this kit fit my automatic 86 / BRZ?
Yes — the kit is compatible with both manual and automatic transmissions. If planning a high-power build with the automatic, we recommend our 8HP Conversion Adapter Kit for improved reliability.
Do I need a tune? +
What power should I expect? +
Is this legal for road use? +
Do you ship overseas? +
TECHNICAL SPECIFICATIONS

Specifications

Part No. N/A
Compatible Universal / Model Specific
Vendor / Brand Boosted Engineering
Fitment Bolt-on
Weight 140.0 kg
Direct Support

Talk to the workshop

Not sure which configuration suits your build? Our workshop team can help you spec the correct kit for your goals.

Workshop
5/105 Spencer Rd
Carrara QLD 4211