Auto Tec Pistons 1001809 Dish 4.390 Bore, Big Block Ford

Auto Tec Pistons, Big Block Ford, Bore 4.390, Stroke 4.150, Rod Length 6.800, Dish -30cc, Set of 8 Pistons

$873.00

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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.

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Description

• Manufactured on 2618 material forgings that will accept mild blown or nitrous applications.
• CNC Precision used in every manufacturing operation. Valve pockets machined for oversized valves and high lift cams.
• Critically machined ring grooves for 1.2, 1.2, 3.0mm rings.
• Top ring land gas distribution grooves to enhance performance and improve ring seal.
• 990-2800-51-15C wrist pins, pin fit, wire locks, broached double pin oilers, and accumulator groove are included at no extra charge.
• Diamond tooling used throughout production including ring grooves and skirts.

Compression Ratio:

70cc 10.2:1

75cc 9.8:1

85cc 9.1:1

Specifications

More Information
CNC Part Number	ATT-1001809
Price	$873.00
Sold As	Set
Manufacturer's Part Number	1001809
Brands	AutoTec
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford BB
Bore Size	4.390
Crankshaft Stroke	4.150
Rod Length	6.800
Piston Type	Dish
Compression Height	1.425
Piston Material	2618 Forged
Piston Ring Size	1.5 1.5 3.0mm
Wrist Pin Size	1.040
Custom Notices	⚠ PROP 65 WARNING

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