| Critical Mopar Engine Dimensions | | | | | | Center | Wrist | Rod | | | | | | | Deck | Main | Rod | Pin | Journal | Stroke | Bore | | | | | Height | Dia. | Length | Dia. | Dia. | | | Rod | | Engine | | (in.) | (in.) | (in.) | (in.) | (in.) | (in.) | | Ratio | | 273 | A | 9.600 | 2.500 | 6.123 | 0.984 | 2.125 | 3.310 | | 1.85:1 | | 318 | A | 9.600 | 2.500 | 6.123 | 0.984 | 2.125 | 3.310 | | 1.85:1 | | 340 | A | 9.600 | 2.500 | 6.123 | 0.984 | 2.125 | 3.310 | 4.040 | 1.85:1 | | 360 | A | 9.600 | 2.800 | 6.123 | 0.984 | 2.125 | 3.580 | 4.000 | 1.71:1 | | 350 | B | 9.980 | 2.625 | 6.358 | 1.090 | 2.375 | 3.375 | 4.060 | 1.88:1 | | 361 | B | 9.980 | 2.625 | 6.358 | 1.090 | 2.375 | 3.375 | 4.120 | 1.88:1 | | 383 | B | 9.980 | 2.625 | 6.358 | 1.090 | 2.375 | 3.375 | 4.250 | 1.88:1 | | 400 | B | 9.980 | 2.625 | 6.358 | 1.090 | 2.375 | 3.375 | 4.340 | 1.88:1 | | 383 | RB | 10.725 | 2.750 | 6.766 | 1.090 | 2.375 | 3.750 | 4.030 | 1.80:1 | | 413 | RB | 10.725 | 2.750 | 6.766 | 1.090 | 2.375 | 3.750 | 4.120 | 1.80:1 | | 440 | RB | 10.725 | 2.750 | 6.766 | 1.090 | 2.375 | 3.750 | 4.320 | 1.80:1 | | 426W | RB | 10.725 | 2.750 | 6.766 | 1.090 | 2.375 | 3.750 | 4.250 | 1.80:1 | | 426 Hemi | | 10.725 | 2.750 | 6.860 | 1.030 | 2.375 | 3.750 | 4.250 | 1.83:1 |
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