DHQ Pro128 LS Sandcar Kit
Take your LS-powered sandcar to elite performance levels with the DHQ Pro128 LS Sandcar Kit, engineered for serious off-road drivers who demand professional precision, reliable power delivery, and full ProEFI integration. Designed specifically for LS2, LS3, and LS7 crate engine platforms, this kit provides all of the essential electronics and sensors required for accurate tuning, safe boost control, and optimized engine performance in high-load desert and sand conditions.
Whether you’re building a new sandcar or upgrading an existing LS platform, the Pro128 system offers industry-leading engine management, unmatched data accuracy, and total control over power output, fuel strategy, traction, and engine protection.
Kit Includes
#9100 – Pro128 ECU
High-end ProEFI ECU providing full engine management, data logging, tuning capability, advanced safeties, and complete system control.
#4275A – LS2/LS3/LS7 Crate Harness
Professional-grade wiring harness designed for clean installation and precise communication with LS crate engines.
#9019 (x2) – 4.2 LSU O2 Sensors
Dual wideband oxygen sensors for accurate AFR monitoring, tuning safety, and reliable closed-loop performance.
#9000 – 150 PSI Sensor
High-resolution pressure sensor for accurate engine safety and control strategies under heavy load.
#9004 – 5-Bar MAP Sensor
Allows precise boost measurement and tuning capability for high-performance applications.
Why Builders Choose the Pro128 LS Sandcar Kit
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Engineered for LS2 / LS3 / LS7 crate engines
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Designed for high-horsepower sand and desert builds
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Integrates seamlessly with ProEFI systems
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Offers advanced data, safety protections, and tuning flexibility
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Built for reliability under extreme off-road conditions
This kit provides the foundation needed for max-performance LS sandcars and allows builders to tune safely while maximizing power potential.
Fast UTV: Certified ProEFI Installer & Dyno Tuning Specialists
FastUTV is one of Southern California’s leading ProEFI-certified installation and tuning facilities.
Every ProEFI system must be dyno-tuned for accurate calibration, safety, and performance—and we provide:
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Professional installation
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Harness setup and system configuration
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Dyno tuning
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Performance validation and testing
No other shop offers the same level of precision and expertise.
Purchase your kit online and call to schedule installation:
📞 (951) 427-7466
Important Emissions Notice
This product is not legal for use on any emissions-controlled vehicle.
It is intended for off-road, competition, or non-emissions-controlled vehicles only.
The installer and/or user is solely responsible for ensuring compliance with all local, state, and federal emissions laws. For state-by-state emissions guidelines, visit:
www.semasan.com/emissions
