Diamond Pistons Small Block 23 Degree ASCS/USMTS Dome Series 11940-8 - 900HP Rated - 2618 Material - Includes Pins and Rings
Diamond Pistons Small Block 23 Degree ASCS/USMTS Dome Series 11940-8 - 900HP Rated - 2618 Material - Includes Pins and Rings
A$3,772.30
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:54:03
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 | dpp11940-8 |
| SFX Item ID | 5524416 |
| Accounting SKU | dpp-11940-8 |
| Manufacturer SKU | 11940-8 |
| Manufacturer UPC | 686162205516 |
| Alternative References | 11940-8, DPP-11940-8 |
ASCS/USMTS Series - 900HP Rated - 2618 Material - Includes Pins and Rings
Diamond Pistons Small Block 23 Degree ASCS/USMTS Dome Series pistons are available for a variety of applications, including many Chevy V8 Gen 1 engines from 1968-2001. Forged from aluminum with two 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:
• 900 hp rated
• Forced pin oilers from the oil ring
• Pin fitted
• Later gas ports
• 3-D dome and pockets
• Pins, locks, and support rails (if required) included
| Product Attributes | |
|---|---|
| Brand | Diamond Pistons |
| Manufacturer's Part Number | 11940-8 |
| Part Type | Pistons |
| Product Line | Diamond Pistons Small Block 23 Degree ASCS/USMTS Dome Series Pistons |
| UPC | 686162205516 |
| Piston Rings Included | Yes |
| Bore (in.) | 4.125 in. |
| Bore (mm) | 104.775mm |
| Stroke | 3.335 in. |
| Engine Stroke Type | De-Stroked |
| Rod Length | 6.000 in. |
| Piston Style | Dome, with two valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.335 in. |
| Piston Head Volume (cc) | -14.00cc |
| Wrist Pin Style | Floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.927 in. |
| Piston Ring Thickness | 0.043 in. x 0.043 in. x 3.00mm |
| File Fit | Yes |
| Gapless | No |
| Top Ring Thickness | 0.043 in. |
| Top Ring Material | Ductile iron |
| Top Ring Facing Material | Plasma-moly |
| Second Ring Thickness | 0.043 in. |
| Second Ring Material | Ductile iron |
| Second Ring Facing Material | Ductile iron |
| Oil Ring Thickness | 3.0mm |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Notes | Pistons are 2618 material. |
Compatibility
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