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Part Number:
ATT-1000544-OS

AutoTec Pistons 1000544 BB Ford 460/521 4.390 Bore, 4.300 Stroke, 6.800 Rod, 1.350 C/H, -38cc Dish

Auto Tec Pistons, BBF 521, Bore 4.390, Stroke 4.300, Rod Length 6.800, Dish -38cc, 530 Grams, Set of 8 Pistons

$599.00
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⚠ 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 have CNC Machined ring grooves that accept 1/16", 1/16", 3/16" rings. (Rings Sold Separately) 1.040-2800-51-15C wrist pin or 990-2800-51-15C wrist pin, pin fit, wire locks, broached pin oilers and accumulator grooves are included. Diamon Turned skirts.

Compression Ratio:
  • 72cc 10.6:1
  • 76cc 10.3:1
  • 92cc 9.2:1
  • More Information
    CNC Part Number ATT-1000544-OS
    Price $599.00
    Manufacturer's Part Number 1000544
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford BB
    Bore Size 4.390
    Crankshaft Stroke 4.300
    Rod Length 6.800
    Piston Type Dish
    Compression Height 1.350
    Piston Material 4032 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING

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