21500-R1-8 Diamond Pistons Chevy L83 Forged Flat Top 3.780 Bore

Fits Chevy L83 5.3L, Bore 3.780, Stroke 3.622, Rod Length 6.089, Flat Top 2cc, Set of 8 Pistons and Rings

$1,140.94

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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

3D milling on piston crowns for ready to install finish. Offset pins for quiet operation. Moly skirt coating for friction loss and skirt wear protection. Side gas ports for better ring seal. Top ring down dimension: .250". Ratios figured for .053 head gasket. Premium 1.0mm x 1.2mm x 2.8mm ring package included. Premium 8620 .185W wrist pins included. Valve pocket depth: 0.130" intake and .150” exhaust. 2618 material for High HP-NOS-Boost applications.

Compression Ratio with 57cc Heads 11.2:1
Compression Ratio with 60cc Heads 10.7:1
No advertised piston weight

Specifications

More Information
CNC Part Number	DRP-21500-R1-8
Price	$1,140.94
Sold As	Set
Manufacturer's Part Number	21500-R1-8
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy LT
Bore Size	3.780
Crankshaft Stroke	3.622
Rod Length	6.098
Piston Type	Flat Top
Compression Height	1.331
Piston Material	2618 Forged
Piston Ring Size	1.0 1.2 2.8mm
Wrist Pin Size	0.943
Custom Notices	⚠ PROP 65 WARNING

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