| Bore (in.) | 4.005 in. |
| Bore (mm) | 101.727mm |
| Brand | DSS Racing |
| Compression Height (in.) | 1.305 in. |
| Engine Stroke Type | Stock |
| File Fit, Gapless | No |
| Manufacturer's Part Number | K3-2820-4005 |
| Notes | Features 2618 alloy and horizontal gas porting. |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Oil Ring Thickness | 3.0mm |
| Part Type | Pistons |
| Pin Diameter (in.) | 0.927 in. |
| Piston Head Volume (cc) | +5.00cc |
| Piston Material | Forged aluminum |
| Piston Ring Thickness | 1.20mm x 1.20mm x 3.00mm |
| Piston Rings Included, Wrist Pin Included, Wrist Pin Retainers Included | Yes |
| Piston Style | Flat top, with two valve reliefs |
| Product Line | D.S.S. FX-Series Forged Piston and Ring Kits with XR Wrist Pins |
| Quantity | Sold as a set of 8. |
| Rod Length | 6.125 in. |
| Second Ring Facing Material, Second Ring Material | Iron |
| Second Ring Thickness, Top Ring Thickness | 1.2mm |
| Stroke | 3.622 in. |
| Summit Racing Part Number | DMS-K3-2820-4005 |
| Top Ring Facing Material | Gas nitrided |
| Top Ring Material | Steel |
| Wrist Pin Style | Floating |
