JE Pistons Brodix -12 15 Degree Dome Top 186421L Pistons, Single - 350-12 SBC .350 DOME
JE Pistons Brodix -12 15 Degree Dome Top 186421L Pistons, Single - 350-12 SBC .350 DOME
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 04:06:25
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 | jep186421L |
| SFX Item ID | 4800821 |
| Accounting SKU | jep-186421L |
| Manufacturer SKU | 186421L |
| Manufacturer UPC | 193564187901 |
| Alternative References | 186421L, JEP-186421L |
Pistons, Single - 350-12 SBC .350 DOME
JE Pistons Brodix -12 15 degree dome top pistons are designed to work with most of the new 15 degree chamber designs. The race-proven hollow dome forging by JE Pistons is the newest design for Sprint Car applications. These pistons have deep valve reliefs to accommodate oversized valves and long-duration, tight lobe separation cams. They accept 1/16, 1/16, 3/16 rings. These pistons utilize hollow dome dedicated left and right hand forgings.
| Product Attributes | |
|---|---|
| Brand | JE Pistons |
| Manufacturer's Part Number | 186421L |
| Part Type | Pistons |
| Product Line | JE Pistons Brodix -12 15 Degree Dome Top Pistons |
| UPC | 193564187901 |
| Piston Rings Included | No |
| Bore (in.) | 4.040 in. |
| Bore (mm) | 102.616mm |
| Stroke | 3.500 in. |
| Engine Stroke Type | Stock |
| Actual Engine Displacement | 5.9L/358 |
| Rod Length | 6.000 in. |
| Piston Style | Dome, with two valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.250 in. |
| Dome Height (in.) | 0.350 in. |
| Piston Head Volume (cc) | +7.00cc |
| 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 | 0.064 in. x 0.064 in. x 0.188 in. |
| File Fit | No |
| Gapless | No |
| Top Ring Thickness | 0.064 in. |
| Second Ring Thickness | 0.064 in. |
| Oil Ring Thickness | 0.188 in. |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | Designed to fit left exhaust valve orientation. Designed to work with most new 15 degree chamber design cylinder heads. |
Compatibility
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