Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series 21504-R1-8-H 3.780B/1.304CD/Kit
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series 21504-R1-8-H 3.780B/1.304CD/Kit
A$3,083.61
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:54:34
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: pistons)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Diamond Pistons, Diamond Racing Products |
| StreetFX SKU | dpp21504-R1-8-H |
| SFX Item ID | 5525277 |
| Accounting SKU | dpp-21504-R1-8-H |
| Manufacturer SKU | 21504-R1-8-H |
| Manufacturer UPC | 193564387707 |
| Alternative References | 21504-R1-8-H, DPP-21504-R1-8-H |
L83 Ecotec3 3.780B/1.304CD/Kit
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
| Product Attributes | |
|---|---|
| Brand | Diamond Pistons |
| Manufacturer's Part Number | 21504-R1-8-H |
| Part Type | Pistons |
| Product Line | Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series Pistons |
| UPC | 193564387707 |
| Piston Rings Included | Yes |
| Bore (in.) | 3.780 in. |
| Bore (mm) | 96.012mm |
| Stroke | 3.622 in. |
| Engine Stroke Type | Stock |
| Actual Engine Displacement | 5.3L/325 |
| Rod Length | 6.125 in. |
| Piston Style | Dome, with no valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.304 in. |
| Piston Head Volume (cc) | +1.60cc |
| Wrist Pin Style | Floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.927 in. |
| Piston Ring Thickness | 1.00mm x 1.20mm x 2.80mm |
| File Fit | Yes |
| Gapless | No |
| Top Ring Thickness | 1.0mm |
| Top Ring Material | Steel |
| Top Ring Facing Material | Gas nitrided |
| Second Ring Thickness | 1.2mm |
| Second Ring Material | Ductile iron |
| Second Ring Facing Material | Ductile napier |
| Oil Ring Thickness | 2.8mm |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Notes | Pistons are 2618 material. Includes H-13 wrist pins. |
Compatibility
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