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Ford 6.8L SOHC 2-valve Triton V10 specs: 415 ci (6.8L) 10-cylinder, 3.551 x 4.165 in (90.2 x 105.8 mm) bore and stroke. Rated 275-310 hp, 1999–2004.
The Ford 6.8L SOHC 2-valve Triton V10 is undersquare — the 4.1654" stroke exceeds the 3.5512" bore by 14.7% — a layout that trades peak RPM for leverage and torque low in the range. The 4.1654" stroke puts mean piston speed at 4,000 ft/min around 5,750 RPM, which is where a production bottom end is generally considered at its limit. Each of the 10 cylinders displaces 41.5 ci (680 cc).
It is one of 16 engines in the Modular family, the largest at 415 ci. 6 factory variants share these dimensions, rated from 275 to 310 hp across 1999–2004.
| Displacement | 415 ci / 6.8 L |
|---|---|
| Bore | 3.5512" |
| Stroke | 4.1654" |
| Cylinders | 10 |
| Configuration | V10 |
| Bore/stroke ratio | 0.853 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | SOHC |
| Fuel type | gas |
| Advertised HP | 275–310 hp |
| Years | 1999–2004 |
| Bore/stroke character | 0.853 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 4,165 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 41.5 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1999 | 275 hp | 6.8L SOHC 2-valve Triton V10 |
| 2000 | 310 hp | 6.8L SOHC 2-valve Triton V10 |
| 2001 | 310 hp | 6.8L SOHC 2-valve Triton V10 |
| 2002 | 310 hp | 6.8L SOHC 2-valve Triton V10 |
| 2003 | 310 hp | 6.8L SOHC 2-valve Triton V10 |
| 2004 | 310 hp | 6.8L SOHC 2-valve Triton V10 |