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- THE BEST DRIVE SYSTEM IN THE BUSINESS- BAR NONE!
- UPGRADED V3-Ti HEAD UNIT WITH BILLET IMPELLER
- A&A'S EXCLUSIVE BILLET TENSIONER WITH LOCKING MECHANISM
- UPGRADE TO 80#BOSCH INJECTORS
- A&A SINGLE PUMP FULL RETURN STYLE FUEL SYSTEM
- A&A 50mm RACEPORT BLOWOFF VALVE
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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
