Diamond Pistons Big Block 24/26 Degree Street Dome Series 12247-8-H 396/454 24° 4.560B/1.270CD/Kit
Diamond Pistons Big Block 24/26 Degree Street Dome Series 12247-8-H 396/454 24° 4.560B/1.270CD/Kit
A$3,650.19
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:54:13
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 | dpp12247-8-H |
| SFX Item ID | 5524676 |
| Accounting SKU | dpp-12247-8-H |
| Manufacturer SKU | 12247-8-H |
| Manufacturer UPC | 193564381750 |
| Alternative References | 12247-8-H, DPP-12247-8-H |
396/454 24° 4.560B/1.270CD/Kit
Diamond Pistons offers big block 24/26 degree Street and Strip Dome Series pistons for a variety of applications, including many Chevy big block Mark IV V8 engines from 1965 and up. The forged 2618 aluminum dome-style pistons with single valve reliefs are available in a variety of bore and stroke sizes, rod lengths, compression heights, head volumes, and ring thicknesses. Choose from pistons designed for use on 9.800 in. deck height with 24 or 26 degree cylinder heads; or with 24 or 26 degree open chamber cylinder heads. Sold in sets of 8.
Additional product details:
• Forced pin oilers from the oil ring
• Pin fitted
• 3-D dome and pockets
• Pins, locks and support rails (if required) included
| Product Attributes | |
|---|---|
| Brand | Diamond Pistons |
| Manufacturer's Part Number | 12247-8-H |
| Part Type | Pistons |
| Product Line | Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons |
| UPC | 193564381750 |
| Piston Rings Included | Yes |
| Bore (in.) | 4.560 in. |
| Bore (mm) | 115.824mm |
| Stroke | 4.250 in. |
| Engine Stroke Type | Stroked |
| Actual Engine Displacement | 9.1L/555 |
| Rod Length | 6.385 in. |
| Piston Style | Dome, with single valve relief |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.270 in. |
| Piston Head Volume (cc) | -28.00cc |
| Wrist Pin Style | Floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.990 in. |
| Piston Ring Thickness | 1/16 in. x 1/16 in. x 3/16 in. |
| File Fit | Yes |
| Gapless | No |
| Top Ring Thickness | 1/16 in. |
| Top Ring Material | Ductile iron |
| Top Ring Facing Material | Plasma-moly |
| Second Ring Thickness | 1/16 in. |
| Second Ring Material | Ductile iron |
| Second Ring Facing Material | Ductile iron |
| Oil Ring Thickness | 3/16 in. |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Notes | For use with 24 or 26 degree open chamber cylinder heads. Pistons are 2618 material. Includes H-13 wrist pins and oil rail supports. |
Compatibility
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