Looking for ways to boost your Holden’s performance?
With decades of experience under the bonnet, we’ve built a reputation for unlocking serious power from Holden platforms from daily drivers to purpose built performance rigs.
Morpowa is trusted by Holden owners across South Australia for precision tuning and ultimate power gains. Whether you're chasing more power from a custom dyno tune or a harrop supercharger package, you can count on us to treat your Holden like it’s our own.
Your Trusted Harrop Dealer in South Australia
Morpowa has been proudly partnered with Harrop Engineering for over 7 years and is recognised as South Australia’s #1 Harrop dealer for the past 5 years running.
As Adelaide’s go-to workshop for Harrop performance upgrades for your LS-based Commodore, we specialise in the installation and tuning of Harrop superchargers, differentials, and driveline components. Whether you’re building a high-performance street car or dedicated track vehicle, Morpowa delivers expert installation, custom tuning, and proven results.
If you’re serious about unlocking your Holden’s full potential, Morpowa is the Harrop dealer Adelaide trusts.
TVS2300
TVS2650
H2650i
OTR CAI System
Truetrac Diff
LSA Intake
Standalone Upgrades
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CUSTOM TUNE 98 OCTANE FUEL ONLY
Calibrate auto transmission to customers requirements (if auto equipped)
Full data logging on road test and double check with road conditions
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Supply and fit Harrop OTR
Supply and fit facia panel
Supply and fit infill panel
Conduct complete custom dyno tune
Calibrate auto transmission to customers requirements (if auto equipped)
Full data logging on road test and double check with road conditions
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DPE Ceramic Coated Headers
• DPE Dual Active Cat Back Exhaust
• Hi flow 3”cats and front section
• 3” full stainless twin system
• 3.5” Twin Chrome tips
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• Crow performance cam – choice of cam to suit your vehicle
• 3Bolt Cam Gear
• ARP Cam bolts
• LS7 lifters
• New lifter buckets / guides
• New lifter bucket bolts
• MLS Head gaskets
• ARP performance head bolts
• Crow dual valve sprint kit – inc valve stem seals, retainers and collets
• Chrome moly push rods to length
• Total full synthetic oil, Ryco filter and GMH Coolant
• Full custom Dyno tune to suit
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Complete Supercharger kit
Deatschwerks 650cc Injectors
Boost pulley upgrade
2.5 bar map sensor
OTR with facia and infill panels
Fitted and custom dyno tune
