Mopar Casting Numbers

Cylinder Head Casting Numbers

Small Block Mopar Head Casting Numbers

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

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


B/RB Cylinder Block Casting Numbers

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

B/RB Intake Manifold Casting Numbers

Casting # Application
2408156 63 Max Wedge NASCAR Single Plane
2806178 68-69 440 4bbl
2806301 68-69 383 4bbl
2951666 70-71 383 4bbl
2951736 70-71 440 4bbl
3614014 72 440 4bbl
3614046 72 400 4bbl
3671879 73 400 4bbl
3698442 74 400 4bbl
3698444 73 440 4bbl
3751721 74 440 4bbl
3830733 74-76 440 4bbl
3830949 75-76 440 4bbl
2946278 70-71 440 6bbl
3412048 69 440 6bbl (Aluminum)

B/RB Connecting Rod and Crankshaft Casting Numbers

Crankshafts

Crank # Engine Type Application
1521436 413 Forged Truck 8-bolt crank
1737642 350361

383

ForgedForged

Forged

58 Car58-61 Car59-61 Car
1851127 413 Forged 59-64 Car
1851436 413 Forged 60-77 Truck 8-bolt crank
1855527 383 Forged 59-61 Car
1978698 RB Forged 59-61 Car
2203155 B Forged 59-61 Car
2206157 361 Forged 60-78 Truck 8-bolt crank
2206158 440413

426

ForgedForged

Forged

66-72 Car, 71-77 Truck62-65 Car63-65 Car
2206159 400383

361

ForgedForged

Forged

71-72 Car, 72 Truck62-71 Car, 67-71 Truck62-66 Car, 72-78 Truck
2206160 440413

426

ForgedForged

Forged

66-78 Car, 70-80 Truck62-65 Car63-66 Car
2402330 426 Forged 63-64 Max Wedge
2463548 426 Forged 64 Max Wedge, 8-bolt crank
3462923 383-400 Cast 69-71 2bbl71-78 Car, 73-79 Truck
3751877 400 Cast 73-78 Car, 73-79 Truck
3751888 440 Cast 73-78 Car
4027172 400 Cast 73-78 Car
4027175 440 Cast 73-78 Car, 73-79 Truck

Connecting Rods

Rods Forging # Engine Application
1737692 383 B 58-71
1737692 400 72-78
1851535 383 / 426 (RB) 59-65 (Standard)
1851535 440 66-79 (Except 70- 72 HP)
1737642 350 (Forged)361 (Forged)

383 (Forged

58 (Car)58-61 (Car)59-61 (Car)
1851127 413 (Forged) 59-64 (Car)
1851436 413 (Forged) 60-77 (Truck with 8-bolt crank)
1855527 383 (Forged) 59-61 (Car)
1978698 RB (Forged) 59-61 (Car)
2203155 B (Forged) 59-61 (Car)
2206157 361 (Forged) 60-78 (Truck with 8-bolt crank
2206158 440 (Forged)413 (Forged)

426 (Forged)

66-72 (Car), 71-77 (Truck)62-65 (Car)

63-65 (Car)

2206159 400 (Forged)383 (Forged)

361 (Forged)

71-72 (Car), 72 (Truck)62-71 (Car), 67-71 (Truck)

62-66 (Car), 72-78 (Truck)

2206160 440 (Forged)413 (Forged)

426 (Forged)

66-78 (Car), 70-80 (Truck)62-65 (Car)

63-66 (Car)

2402330 426 (Forged) 63-64 Max Wedge
2463548 426 (Forged) 64 Max Wedge, 8-bolt crank
3462923 383 (Cast)400 (Cast) 69-71 2bbl71-78 (Car), 73-79 (Truck)
3751877 400 (Cast) 73-78 (Car), 73-79 (Truck)
3751888 440 (Cast) 73-78 (Car)
4027172 400 (Cast) 73-78 (Car)
4027175 440 (Cast) 73-78 (Car), 73-79 (Truck)

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