• While this is our entry level head unit, it is also the most efficient head unit for stock engines in the 500 – 600 RWHP range.  The Si is also the only head unit that can be used in our CARB compliant kits.

    Standard Features:
    • Polished
    • V2 – Pressure Lubed from the Engines Oil System – Helical Cut Gears

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  • Performance Specs
    • Internal Step-Up Ratio: 3.61:1
    • V3 Max Speed: 52,000 RPM
    • V1 and V2 Max Speed 56,000 RPM
    • Max Boost: 22 PSI
    • Max Flow: 1,250 CFM
    • Max Power: 900
    • HP Peak Efficiency: 78%
    Standard Features
    • Polished  Finish
    • V3- Self -contained oiling- Helical Cut Gears
    • V2 Pressure Lubed From The Engines Oil System- Helical cut gears
    •  V1 - Pressure Lubed From The Engines Oil System- Straight cut gears

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  • Standard Features:
    • Polished Finish

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  • VORTECH V3 OIL

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