Killa Conversions & Performance has been a leader in the engine conversion industry for many years, with many prototype conversions completed. GM LS3 powertrain conversions are now available mated to a 6-Speed auto transmission for the Holden RG 2012-2020 Colorado range.

The entire conversion process including calibration, compliance and optional driveline warranty is completed by qualified technicians in our North Brisbane based workshop.

The process includes the following:

• Crate LS3 engine (*engine exchange)

• 6L80e transmission mated to your stock transfer case to retain 4x4

• Full electronics integration

• New exhaust system, single 3.5”

• 1-3/4” Headers/Hi-Flow Cats

• New air intake system

• New air conditioning system

• Fuel system

• Full compliance for QLD included (additional if outside of QLD)

• Standard brakes are retained, Upgrades are optional

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* Conversion programs are on an engine exchange basis, your engine will be replaced with a brand new crate engine, your previous engine will not be returned to you.