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Part Number:
ATT-1000485

Auto Tec Pistons 1000485 Forged Windsor Dish 4.040 Bore, SB Ford 390

Auto Tec Pistons, SBF 390, Bore 4.040, Stroke 3.800, Rod Length 6.250, Dish -24.6cc, Set of 8 Pistons

$799.00
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DROP SHIP
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 alloy pistons which are great 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 927-2700-51-15C wall wrist pin included. Auto Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately)

Compression Ratio:
  • 54cc 10.1:1
  • 60cc 9.5:1
  • 68cc 8.8:1
  • More Information
    CNC Part Number ATT-1000485
    Price $799.00
    Manufacturer's Part Number 1000485
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.040
    Crankshaft Stroke 3.800
    Rod Length 6.250
    Piston Type Dish
    Compression Height 1.335
    Piston Material 4032 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.927

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