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Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series 21505-R1-8 Competition - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

SKU: DPP21505-R1-8

Pistons

Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series 21505-R1-8 Competition - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Rings

SKU: DPP21505-R1-8

Pistons
A$2,803.32
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series pistons are available for a variety of applications, including many Chevy small block Gen V engines from 2014 and up. Forged from aluminum with no valve reliefs, the dome-style pistons are offered in different bore sizes and numerous other options. Order individually or in a set of 8.

Additional details:

* 1,200 hp rated
* Forced pin oilers from the oil ring
* Pin fitted
* Moly coated skirts
* 3-D pockets
* Pins, locks, and support rails (if required) included

Part Type

Pistons

Data: v4.2 - Upd: 2026-09-28 14:13:24

Specifications

Product Attributes - Brand
Diamond Pistons
Product Attributes - Manufacturer's Part Number
21505-R1-8
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series Pistons
Product Attributes - UPC
686162208791
Product Attributes - Piston Rings Included
Yes
Product Attributes - Bore (in.)
3.800 in.
Product Attributes - Bore (mm)
96.520mm
Product Attributes - Stroke
3.622 in.
Product Attributes - Engine Stroke Type
Stock
Product Attributes - Rod Length
6.125 in.
Product Attributes - Piston Style
Dome, with no valve reliefs
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.304 in.
Product Attributes - Piston Head Volume (cc)
-1.60cc
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Wrist Pin Included
Yes
Product Attributes - Pin Diameter (in.)
0.927 in.
Product Attributes - Piston Ring Thickness
1.00mm x 1.20mm x 2.80mm
Product Attributes - File Fit
Yes
Product Attributes - Gapless
No
Product Attributes - Top Ring Thickness
1.0mm
Product Attributes - Top Ring Material
Ductile iron
Product Attributes - Top Ring Facing Material
Gas nitrided
Product Attributes - Second Ring Thickness
1.2mm
Product Attributes - Second Ring Material
Ductile iron
Product Attributes - Second Ring Facing Material
Ductile iron
Product Attributes - Oil Ring Thickness
2.8mm
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Tension
Standard
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a set of 8.
Product Attributes - Notes
Pistons are 2618 material.

Reference Information

Brand Name/s Diamond Pistons
StreetFX SKU dpp21505-R1-8
SFX Item ID 5525279
Supplier Item Code 5525279
Manufacturer SKU 21505-R1-8
Manufacturer UPC 686162208791
Alternative References L83, Ecotec3, 5.3L, 1200HP

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2014
    Ending Year2021
    Engine TypeV8
    Engine FamilyChevy small block Gen V
    Engine Size5.3L/325

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