11503-R1-8 Diamond Pistons LS1 Forged Dish 3.905 Bore

Fits Chevy 5.7L LS1, Bore 3.905, Stroke 3.622, Rod Length 6.125, Dish -8.6cc, Set of 8 Pistons and Rings Included.

$1,282.49

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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.

Description

3D milling on piston crowns for ready to install finish

1.2mm x 1.5mm x 3.0mm ring package (Rings Included)

Premium 8620 .927x2.500 .180 wall wrist pins chamfered for Roundwire locks, locks included

Moly skirt coating for friction loss and skirt wear protection

Valve pockets designed to work with most aftermarket cylinder heads

Valve pocket depth: 0.176" intake and .105" exhaust

Compression Ratio:

62cc 9.9:1

66cc 9.5:1

70cc 9.1:1

Specifications

More Information
CNC Part Number	DRP-11503-R1-8
Price	$1,282.49
Manufacturer's Part Number	11503-R1-8
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy LS
Bore Size	3.905
Crankshaft Stroke	3.622
Rod Length	6.125
Piston Type	Dish
Compression Height	1.304
Piston Material	2618 Forged
Piston Ring Size	1.2 1.5 3.0mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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