21506-R1-8 Diamond Pistons Chevy L83 Forged Dish 3.780 Bore

Fits Chevy L83 5.3L, Bore 3.780, Stroke 3.622, Rod Length 6.125, Dish -9.5cc, Set of 8 Pistons and Rings

Special Price $796.89 Regular Price $895.38

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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

Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
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 9.6:1
Compression Ratio with 60cc Heads 9.3:1
No advertised piston weight

Specifications

More Information
Price	$895.38
Vehicle Make	Chevy LT
Bore Size	3.780
Crankshaft Stroke	3.622
Rod Length	6.125
Piston Type	Flat Top
Compression Height	1.304
Piston Material	2618 Forged
Piston Ring Size	1.0 1.2 2.8mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

Upsell products

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