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Chevrolet 376ci specs: 376 ci (6.2L) 8-cylinder, 4.065 x 3.622 in (103.3 x 92 mm) bore and stroke, 12.4:1 compression. Rated 385-415 hp, 2016–2024. OHV.
The Chevrolet 376ci is oversquare — the 4.065" bore exceeds the 3.622" stroke by 12.2% — a layout that favors airflow and RPM over leverage at the crank. The 3.622" stroke puts mean piston speed at 4,000 ft/min around 6,650 RPM, which is where a production bottom end is generally considered at its limit. A rod ratio of 1.691 is in the range most production engines fall in. Each of the 8 cylinders displaces 47.0 ci (770 cc).
12.4:1 on iron heads is high for a production gasoline engine; running a ratio like that on pump fuel depends on chamber design and fuel delivery rather than the number alone.
It is one of 2 engines in the Chevrolet 376ci family, all of them 376 ci — the differences between them are in compression, heads and rating, not displacement. 12 factory variants share these dimensions, rated from 385 to 415 hp across 2016–2024.
| Displacement | 376 ci / 6.2 L |
|---|---|
| Bore | 4.065" |
| Stroke | 3.622" |
| Cylinders | 8 |
| Configuration | V8 |
| Compression ratio | 12.4:1 |
| Rod length | 6.125" |
| Rod ratio | 1.691 |
| Bore/stroke ratio | 1.122 |
| Block material | cast iron |
|---|---|
| Head material | cast iron |
| Valvetrain | OHV |
| Fuel type | gas |
| Advertised HP | 385–415 hp |
| Years | 2016–2024 |
| Bore/stroke character | 1.122 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,622 ft/min — in the range typical of performance street engines |
| Rod ratio | 1.691 — moderate — the range most production V8s fall in |
| Displacement per cylinder | 47.0 ci |
| Static compression | 12.4:1 — high enough that pump premium or better is normally required |
| Intake valve diameter | 2.135" |
|---|---|
| Exhaust valve diameter | 1.595" |
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 |
|---|---|---|
| 2016 | 410 hp | — |
| 2017 | 410 hp | — |
| 2018 | 410 hp | — |
| 2019 | 385 hp | — |
| 2019 | 410 hp | — |
| 2020 | 385 hp | — |
| 2020 | 410 hp | — |
| 2022 | 385 hp | — |
| 2022 | 415 hp | — |
| 2023 | 385 hp | — |
| 2023 | 415 hp | — |
| 2024 | 385 hp | — |