JE Pistons 400 Small Block 18 Degree Dome 218594L Pistons, Single - 400SBC 18DEG DOME
JE Pistons 400 Small Block 18 Degree Dome 218594L Pistons, Single - 400SBC 18DEG DOME
A$570.73
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 04:08:44
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 | JE Pistons |
| StreetFX SKU | jep218594L |
| SFX Item ID | 4804550 |
| Accounting SKU | jep-218594L |
| Manufacturer SKU | 218594L |
| Manufacturer UPC | 193564193643 |
| Alternative References | 218594L, JEP-218594L |
Pistons, Single - 400SBC 18DEG DOME
JE Pistons 400 small block 18 degree dome pistons feature a new dome profile to match a wider variety of 18 degree heads. They're designed to fit your high-compression, high-horsepower, 17/18 degree dirt late model engine. They have smooth flowing domes for optimum flame travel and angle milled head compatibility. New valve reliefs will accommodate larger valves and long-duration, tight lobe separation cams. These pistons utilize dedicated left and right hand forgings and accept 1/16, 1/16, 3/16 rings.
| Product Attributes | |
|---|---|
| Brand | JE Pistons |
| Manufacturer's Part Number | 218594L |
| Part Type | Pistons |
| Product Line | JE Pistons 400 Small Block 18 Degree Dome Pistons |
| UPC | 193564193643 |
| Piston Rings Included | No |
| Bore (in.) | 4.125 in. |
| Bore (mm) | 104.775mm |
| Stroke | 3.875 in. |
| Engine Stroke Type | Stroked |
| Actual Engine Displacement | 6.8L/414 |
| Rod Length | 6.000 in. |
| Piston Style | Dome, with two valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.062 in. |
| Piston Head Volume (cc) | +2.50cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.927 in. |
| Piston Ring Thickness | 1.25mm x 1.50mm x 3.00mm |
| File Fit | No |
| Gapless | No |
| Top Ring Thickness | 1.25mm |
| Second Ring Thickness | 1.5mm |
| Oil Ring Thickness | 3.0mm |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | Designed to fit left exhaust valve orientation. Oil rail support included. |
Compatibility
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