| Casting # |
Years
made |
Size |
HP levels
used for |
Notes |
| 3703524 |
55 |
265 |
N/A |
Passenger
First 6 mos. used mech. cam not hyd. |
| 3720991 |
56 - 57 |
265 |
N/A |
Truck/Pass |
| 3731548 |
57 |
283 |
N/A |
N/A |
3556519
3737739 |
58 - 61 |
283 |
220-290 |
2-Bolt mains/Truck/Pass |
| 3849852 |
58 - 64 |
283 |
220-315 |
2-Bolt mains/Truck/Pass |
3789935
3864812 |
62 - 64 |
283 |
230-315 |
2-Bolt mains/Truck/Pass |
| 3959512 |
62 - 63 |
327 |
250 |
2-Bolt mains |
3789817
3794460
|
62 - 64 |
327 |
250 |
2-Bolt mains
Truck/Pass |
| 3858174 |
62 - 67 |
350, 327 & 302 |
210-350 |
2-Bolt mains/Truck/Pass |
| 3782870 |
62 - 67 |
327 |
250-375 |
2-Bolt mains/Truck/Pass |
| 3858180 |
62 - 67 |
327 |
250-375 |
2-Bolt mains/Truck/Pass |
| 3791362 |
65 - 67 |
327 |
N/A |
2-Bolt mains/Chevy II |
3892657
3782870
3903352
3789817
|
64 - 67 |
350, 327 & 302 |
210-350 |
2-Bolt mains
Truck/Pass |
3849852
3849935
3896944
393288
|
65 - 67 |
283 |
N/A |
Truck/Pass |
| 389257 |
67 - 69 |
302 |
N/A |
2-Bolt mains
67 Small Journal (327 block)
68-69 Large Journal (350 block) |
3914653
3914636
3932373
3970020
|
68 - 73 |
307 |
N/A |
Truck/Pass |
| 3956632 |
69 |
307 |
200 |
2-bolt mains |
| 3914660 |
68 |
327 |
210-275 |
2-bolt mains |
3790041
3814660
3955618
|
68 - 69 |
327 |
210-300 |
2-Bolt mains
Corvette/Camaro/Hi PO |
| 3914678 |
68 - 79 |
350, 327 &: 302 |
210-350 |
2-Bolt mains |
3855961
3958618
3970014
6259425
|
68 - 76 |
350 |
210-300 |
2-bolt mains
Pass. |
| 3970014 |
68 - 79 |
350 |
200-255 |
2&4-Bolt main |
3956618
3932386
|
68 - 79 |
350 & 302 |
250-300 |
4 bolt mains
Truck/Hi Perf |
| 3970010 |
68 - 79 |
350 & 327 |
145-375 |
2&4-Bolt mains/Truck/Hi Perf |
| 3932388 |
69 |
350 |
300 |
4-bolt mains |
| 3951511 |
70 - 73 |
400 |
255-265 |
4 Bolt mains/HD Truck/Pass |
| 330817 |
70 - 80 |
400 |
150-180 |
2-Bolt mains |
| 360851 |
74 - 76 |
262 |
N/A |
Monza |
3951509
3030817++
|
74 - 76 |
400 |
150-265 |
2 Bolt Mains
++High Nickel Block |
460776
460777
460778
361979
|
78 - 79 |
305 |
N/A |
Lt. Truck/Pass |
| 14016379 |
78 - 79 |
350 |
N/A |
Lt.Truck/Pass |
| 366245* |
78 - 79 |
350 |
N\A |
4-Bolt mains
*Bowtie High Tin
Dipstick in Pan |
1401280
14016376
471511
|
79 - 82 |
267 |
N/A |
Passenger |
14010201
14016381
14010202
14010203
|
80 - 84 |
305 |
N/A |
Lt. Truck/Pass |
1401029
14010207
14010209 |
80 - 85 |
350 |
205 & up |
2&4-Bolt mains
Passenger cars |
| 14011064* |
82 - 86 |
350 |
N\A |
4-Bolt mains/*Bowtie High Tin |
14088548
14093638
14316379 |
86 - 88 |
350 |
205 & up |
2&4-Bolt mains
1 piece rear main seal. |
