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Part Number:
ATT-1000744

Auto Tec Pistons 1000744 Forged LS7 12° Flat Top 4.125 Bore, SB Chevy 427

Auto Tec Pistons, SBC 427, Bore 4.125, Stroke 4.000, Rod Length 6.077, Flat Top -4.1cc, 463 Grams, Set of 8 Pistons

$718.00
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This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Auto Tec pistons are manufactured on a forged side relief, 4032 low expansion, high silicon material excellent for street/strip applications. Auto Tec pistons piston offer standard features like broached pin oilers for increased wrist pin lubrication, accumulator grooves, pin fitting wrist pins, wire locks included and 927-2250-51-15C wall wrist pin. Auto Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately). Forging designed to clear reluctor wheel in all stroker applications.

Compression Ratio:
  • 60cc 12.5:1
  • 64cc 11.9:1
  • 70cc 11.1:1
    Note: Oil rail supports included.
  • More Information
    CNC Part Number ATT-1000744
    Price $718.00
    Manufacturer's Part Number 1000744
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy LS
    Bore Size 4.125
    Crankshaft Stroke 4.000
    Rod Length 6.077
    Piston Type Flat Top
    Compression Height 1.163
    Piston Material 4032 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.927

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