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Part Number:
ATT-1000542

Auto Tec Pistons 1000542 Forged 429/ 460 Dish 4.390 Bore, BB Ford 521

Auto Tec Pistons, BBF 521, Bore 4.390, Stroke 4.300, Rod Length 6.700, Dish -28cc, 553 Grams, Set of 8 Pistons

$873.00
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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 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. Diamond Turned skirts.

Compression Ratio:
  • 72cc 10.6:1
  • 76cc 10.3:1
  • 92cc 9.2:1
  • More Information
    CNC Part Number ATT-1000542
    Price $873.00
    Manufacturer's Part Number 1000542
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford BB
    Bore Size 4.390
    Crankshaft Stroke 4.300
    Rod Length 6.700
    Piston Type Dish
    Compression Height 1.450
    Piston Material 4032 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990

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