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Part Number:
ATT-1000691

Auto Tec Pistons 1000691 Forged Large Dome 4.530 Bore, BB Chevy 548

Auto Tec Pistons, BBC 548, Bore 4.530, Stroke 4.250, Rod Length 6.535, Dome 31.5cc, 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 piston offer standard features like broached pin oilers for increased wrist pin lubrication, accumulator grooves, pin fitting wrist pins, wire locks included and 990-2800-51-15C 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:
  • 112cc 13.3:1
  • 118cc 12.5:1
  • 124cc 11.8:1
    Note: These dome profiles will not fit Edelbrock Performer, Performer RPM or G.M. Signature Series cylinder heads. Oil rail supports included.
  • More Information
    CNC Part Number ATT-1000691
    Price $873.00
    Manufacturer's Part Number 1000691
    Brands AutoTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chrysler BB
    Bore Size 4.530
    Crankshaft Stroke 4.250
    Rod Length 6.535
    Piston Type Dome
    Compression Height 1.120
    Piston Material 4032 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.990

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