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Part Number:
ATT-1000639

Auto Tec Pistons 1000639 Forged LS 15° Dish 4.060 Bore, Chevy LS 414

Auto Tec Pistons, SBC 414, Bore 4.060, Stroke 4.000, Rod Length 6.125, Dish -32.0cc, 369 Grams, Set of 8 Pistons

$799.00
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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 9.1:1
  • 64cc 8.8:1
  • 71cc 8.3:1
    Note: Oil rail supports included.
  • More Information
    CNC Part Number ATT-1000639
    Price $799.00
    Manufacturer's Part Number 1000639
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy LS
    Bore Size 4.060
    Crankshaft Stroke 4.000
    Rod Length 6.125
    Piston Type Dish
    Compression Height 1.110
    Piston Material 4032 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.927

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