Auto Tec Pistons 1000640 Forged LS 15° Dish 4.125 Bore, Chevy LS 428

Auto Tec Pistons, SBC 428, Bore 4.125, Stroke 4.000, Rod Length 6.125, Dish -32.0cc, 399 Grams, Set of 8 Pistons

$790.00

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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.

Description

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 927-2250-51-15C wall wrist pin. Auto Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately). Forging designed to clear reluctor wheel in all stroker applications.

Compression Ratio:

60cc 9.4:1

64cc 9.1:1

71cc 8.6:1
Note: Oil rail supports included.

Specifications

More Information
CNC Part Number	ATT-1000640
Price	$790.00
Manufacturer's Part Number	1000640
Brands	AutoTec
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy LS
Bore Size	4.125
Crankshaft Stroke	4.000
Rod Length	6.125
Piston Type	Dish
Compression Height	1.110
Piston Material	4032 Forged
Piston Ring Size	1.5 1.5 3.0mm
Wrist Pin Size	0.927

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