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AAM Competition VQ37 STGIV 4.3L Shortblock Engine Package

14,995.95 14,995.95

AAM Competition VQ37 STGIV 4.3L Shortblock Engine Package


AAMC 4.07 to 4.3L Stroker Kit w/Pro H-Beam rods and 625+ fasteners
Darton MID Sleeves
AAMC/ARP main studs
AAMC High Performance Main & Thrust Bearings
New Oil Pump + AAMC Performance Upgrade & Blueprint
New OEM Rod Bearings
New OEM engine gaskets
Short block fully disassembled and cleaned
Block inspected and prepared for precision machining
Block decked and squared
Precision bored/honed using a torque plate for proper piston to wall clearance
Crank fully inspected and journals micro-polished
Precision engine rotating assembly blueprint & race balance
Precision short block blueprint & assembly
One year warranty against machining defects

14,995.95 14,995.95 14995.95 USD


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    AAM Competition 370Z & G37 Stage 4 4.07L to 4.3L Short Block Engine Package

    The AAM Competition Stage 4 VQ37 Shortblock is the ultimate engine block setup for those seeking maximum power output.  This 4.07L to 4.3L stroked and sleeved motor is ready for 1,000+ whp (with optional proprietary block strengthening).

    The added displacement of the stroker kit greatly increases low-end and midrange power.  On boosted application expect the turbochargers to spool up 300 to 600rpm sooner than a comparably setup non-stroker engine.

    The AAM Competition Stage 4 VQ37 Longblock comes with a full one year warranty against machining defects.

    Exclusive Benefits

    • The strongest, best optioned engine package available for the VQ37VHR
    • Capable of supporting 1,000+ whp

    • Larger displacement spools turbochargers faster

    • Larger displacement increases torque


    • Forged Steel Billet Crankshaft
    • Forged Racing Pistons

    • Pro Series Rods

    • Upgraded fasteners

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