Small Block Mopar Head Casting Numbers |
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| Casting # | Chamber Vol. | Intake Valve | Exhaust Valve | Comments |
| 2532080 | 1.78 | 1.5 | 1964-65 273 | |
| 2536178 | 1.78 | 1.5 | 1966 273 Early | |
| 2658234 | 1.78 | 1.5 | 1966 273 Late | |
| 2268341 | 1.84 | 1.56 | 1962 318 Early; 1962-67 318 Late/CC 318 | |
| 3671587 | 65cc-73cc | 1.88 | 1.6 | 1973 360 w/air pump; 1973 340; 1974 360 |
| 3462598 | 63cc-73.5cc | 340 Trans Am | ||
| 2843675 | 1.78 | 1.5 | 1968-69 273; 1968-74 318 | |
| 2531894 | 2.02 | 1.6 | 1968-70 340 | |
| 3418915 | 65cc-73cc | 1.88 | 1.6 | 1971-72 340; 1970-72 360 |
| 3418915 | 63cc-73.5cc | 2.02 | 1.6 | 1970 340 |
| 2658920 | 1.88 | 1.5 | 1966 273 4-bbl | |
| 2658920 | 1.78 | 1.5 | 1966-67 273; 1966 273 4-bbl; 1967 273-318 | |
Big Block Mopar Head Casting Numbers |
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| Casting # | Chamber Vol. | Intake Valve | Exhaust Valve | Comments |
| 2406158 | 73.5cc | 2.08 | 1.6 | 1967 440 |
| 2463200 | 73.5cc | 2.08 | 1.74 | 1963 361/383/413/426 |
| 2406209 | 81cc | 2.08 | 1.88 | 1963 Max zWedge |
| 3751213 | 2.08 | 1.74 | 1973 400/440 motorhome | |
| 2402286 | 81cc | 2.08 | 1.88 | 1962 413 Max Wedge |
| 2206324 | 2.08 | 1.74 | 1961-67 361/383/413 | |
| 2268341 | 1965 426 | |||
| 3462346 | 79.5cc | 2.08 | 1.74 | 1971-up 383/440 |
| 3462346 | 81.5cc | 2.08 | 1.74 | 1972-73 400/440 |
| 4006452 | 81.5cc | 2.08 | 1.74 | 1976-78 400/440 |
| 3614476 | 86+cc | 2.08 | 1.74 | Stage 4 |
| 1851509 | 73.5cc | 2.08 | 1.6 | 1959 361/383/413 HP |
| 2406516 | 73.5cc | 2.08 | 1.6 | 1964-67 361/383/413/425 300L |
| 2406518 | 86cc | 2.08 | 1.88 | 1964 Max Wedge |
| 2408520 | 73.5cc | 2.08 | 1.6 | 1964 late 300K with ram intake |
| 2128521 | 73.5cc | 2.08 | 1.6 | 1960 361/383/413 300F |
| 2128522 | 73.5cc | 1.94 | 1.6 | 1960-61 361/383 |
| 1851524 | 1958-71 350-413 Truck | |||
| 2264547 | 1960-71 413, 361 Truck | |||
| 2402557 | 73.5cc | 2.08 | 1.74 | 1963 300J & early 300K |
| 2202594 | 1958-71 Truck | |||
| 1737622 | 73.5cc | 1.94 | 1.6 | 1958-60 350/361/383 |
| 1737635 | 73.5cc | 1.94 | 1.6 | 1958 350/361 |
| 2466676 | 1971-77 413, 361 Truck and Maring | |||
| 1844705 | 73.5cc | 1.94 | 1.6 | 1958-59 350/361/383 |
| 1944705 | 1958 350, 1961 361 | |||
| 1406740 | 1.94 | 1.6 | 1958-59 HD 361 Truck | |
| 2406740 | 1963-68 361, 413 Truck & Marine | |||
| 2406780 | 1965-67 383 Truck | |||
| 2806887 | 426 Marine & Industrial | |||
| 2843906 | 79.5cc | 2.08 | 1.74 | 1968-71 383/440 |
| 2899913 | 1960-71 413 Truck | |||
| 2708915 | 73.5cc | 2.08 | 1.74 | 1967 440 HP |
| 2206924 | 73.5cc | 2.08 | 1.74 | 1961-62 361/383/413, 1961 300G, 1962 413 300-H |
| 2899943 | 1971-77 413, 361 Truck | |||
| 3769975 | 83.1cc | 2.08 | 1.74 | 1974-75 400/440 |
| 1852 029 | 413 | RB | Truck &1962 Max Performance |
| 2120 529 | 413 | RB | 59-65 |
| 2205 697 | 413 | RB | 59-65 Pass. Veh. |
| 2205 697 | 426 | RB | 64 Pass. Veh. |
| 2406 730 | 426 | RB | 63-65 Wedge & Max Perf. Wedge |
| 2432 230 | 426 | RB | 64-66 Wedge & Max Perf. Wedge |
| 2468 030 | 413 | RB | |
| 2468 330 | 426 | RB | 64-71 426 Hemi (Stage I & II) |
| 2536 430 | 440 | RB | 66-72 |
| 2568 130 | 383 | B | 59-71 (Full Series) |
| 2658 836 | 426 | RB | Commercial |
| 3614 230 | 400 | B | 71-72 (Full Series) |
| 3698 630 | 400 | B | 73-78 (Full Series) |
| 3698 830 | 440 | RB | 73-78 (Full Series) |
| 4006 530 | 400 | B | 76-78 (Full Series) |
| 4006 630 | 440 | RB | 78 |
| Casting # | Application |
| 2408 156 | 63 Max Wedge NASCAR Single Plane |
| 2806 178 | 68-69 440 4bbl |
| 2806 301 | 68-69 383 4bbl |
| 2951 666 | 70-71 383 4bbl |
| 2951 736 | 70-71 440 4bbl |
| 3614 014 | 72 440 4bbl |
| 3614 046 | 72 400 4bbl |
| 3671 879 | 73 400 4bbl |
| 3698 442 | 74 400 4bbl |
| 3698 444 | 73 440 4bbl |
| 3751 721 | 74 440 4bbl |
| 3830 733 | 74-76 440 4bbl |
| 3830 949 | 75-76 440 4bbl |
| 2946 278 | 70-71 440 6bbl |
| 3412 048 | 69 440 6bbl (Aluminum) |
| Crank # | Engine | Type | Application |
| 1521 436 | 413 | Forged | Truck 8-bolt crank |
| 1737 642 | 350
361 383 |
Forged
Forged Forged |
58 Car
58-61 Car 59-61 Car |
| 1851 127 | 413 | Forged | 59-64 Car |
| 1851 436 | 413 | Forged | 60-77 Truck 8-bolt crank |
| 1855 527 | 383 | Forged | 59-61 Car |
| 1978 698 | RB | Forged | 59-61 Car |
| 2203 155 | B | Forged | 59-61 Car |
| 2206 157 | 361 | Forged | 60-78 Truck 8-bolt crank |
| 2206 158 | 440
413 426 |
Forged
Forged Forged |
66-72 Car, 71-77 Truck
62-65 Car 63-65 Car |
| 2206 159 | 400
383 361 |
Forged
Forged Forged |
71-72 Car, 72 Truck
62-71 Car, 67-71 Truck 62-66 Car, 72-78 Truck |
| 2206 160 | 440
413 426 |
Forged
Forged Forged |
66-78 Car, 70-80 Truck
62-65 Car 63-66 Car |
| 2402 330 | 426 | Forged | 63-64 Max Wedge |
| 2463 548 | 426 | Forged | 64 Max Wedge, 8-bolt crank |
| 3462 923 | 383
400 |
Cast
Cast |
69-71 2bbl
71-78 Car, 73-79 Truck |
| 3751 877 | 400 | Cast | 73-78 Car, 73-79 Truck |
| 3751 888 | 440 | Cast | 73-78 Car |
| 4027 172 | 400 | Cast | 73-78 Car |
| 4027 175 | 440 | Cast | 73-78 Car, 73-79 Truck |
| Rods Forging # | Engine | Application |
| 1737 692 | 383 B | 58-71 |
| 1737 692 | 400 | 72-78 |
| 1851 535 | 383 / 426 (RB) | 59-65 (Standard) |
| 1851 535 | 440 | 66-79 (Except 70- 72 HP) |
| 1737 642 | 350 (Forged)
361 (Forged) 383 (Forged |
58 (Car)
58-61 (Car) 59-61 (Car) |
| 1851 127 | 413 (Forged) | 59-64 (Car) |
| 1851 436 | 413 (Forged) | 60-77 (Truck with 8-bolt crank) |
| 1855 527 | 383 (Forged) | 59-61 (Car) |
| 1978 698 | RB (Forged) | 59-61 (Car) |
| 2203 155 | B (Forged) | 59-61 (Car) |
| 2206 157 | 361 (Forged) | 60-78 (Truck with 8-bolt crank |
| 2206 158 | 440 (Forged)
413 (Forged) 426 (Forged) |
66-72 (Car), 71-77 (Truck)
62-65 (Car) 63-65 (Car) |
| 2206 159 | 400 (Forged)
383 (Forged) 361 (Forged) |
71-72 (Car), 72 (Truck)
62-71 (Car), 67-71 (Truck) 62-66 (Car), 72-78 (Truck) |
| 2206 160 | 440 (Forged)
413 (Forged) 426 (Forged) |
66-78 (Car), 70-80 (Truck)
62-65 (Car) 63-66 (Car) |
| 2402 330 | 426 (Forged) | 63-64 Max Wedge |
| 2463 548 | 426 (Forged) | 64 Max Wedge, 8-bolt crank |
| 3462 923 | 383 (Cast)
400 (Cast) |
69-71 2bbl
71-78 (Car), 73-79 (Truck) |
| 3751 877 | 400 (Cast) | 73-78 (Car), 73-79 (Truck) |
| 3751 888 | 440 (Cast) | 73-78 (Car) |
| 4027 172 | 400 (Cast) | 73-78 (Car) |
| 4027 175 | 440 (Cast) | 73-78 (Car), 73-79 (Truck) |