1953
- 1967 Corvette Specification Guide
(1953-1967 Exhaust Manifold Casting Numbers)
1953-55
|
Left-Hand |
Right-Hand |
Application |
| 3836108 |
|
Six-Cylinder |
| 3704791 |
3704792 |
1st
Design V-8 |
| 3837069 |
3836968 |
2nd
Design V-8 |
1956
|
Left-Hand |
Right-Hand |
Application |
| 3725563 |
3725563 |
1st
Design, All Engines |
| 3731557 |
3731558 |
2nd
Design, All Engines |
1957
|
Left-Hand |
Right-Hand |
Application |
| 3733975 |
3733976 |
All
Engines |
1958-61
|
Left-Hand |
Right-Hand |
Application |
| 3749965 |
3750556 |
All
Engines |
1962
|
Left-Hand |
Right-Hand |
Application |
| 3749965 |
3750556 |
250
Horsepower |
| 3797901 |
3797902 |
300,
340 & 360 Horsepower |
1963
|
Left-Hand |
Right-Hand |
Application |
| 3749965 |
3750556 |
250
Horsepower
300
Horsepower with Powerglide |
| 3797901 |
3797902 |
300
& 340 Horsepower with Manual Transmission |
| 3797942 |
3797902 |
360
Horsepower Fuel Injection |
1964
|
Left-Hand |
Right-Hand |
Application |
| 3846559
|
3747038
|
250
Horsepower with Air Conditioning
300
Horsepower with Powerglide & Air
Conditioning |
| 3846559
|
3750556
|
250
Horsepower with Man. Trans. or Powerglide 300 Horsepower with Powerglide |
| 3846563 |
3797902 |
300
Horsepower with Manual Transmission
365
Horsepower without Air Conditioning |
| 3846563 |
3797942 |
365
Horsepower with Air Conditioning |
| 3797942 |
3797902 |
375
Horsepower Fuel Injection |
1965
|
Left-Hand |
Right-Hand |
Application |
| 3846559 |
3747038 |
Early
250 Horsepower with Air Conditioning
Early
300 Horsepower with Powerglide & A/C |
| 3846559 |
3750556 |
250
Horsepower
300
Horsepower with Powerglide |
| 3846563 |
3797902 |
300
Horsepower with Manual Transmission |
| 3846559 |
3747042 |
250
Horsepower with Air Conditioning
300
Horsepower with Powerglide & A/C |
| 3846563 |
3797902 |
350
& 365 Horsepower without Air Conditioning |
| 3846563 |
3797942 |
300
Horsepower with Man. Trans. & A/C
350
& 365 Horsepower with Air Conditioning |
| 3797942 |
3797902 |
375
Horsepower Fuel Injection |
| 3856301 |
3856302 |
425
Horsepower 396 Engine |
1966
|
Left-Hand |
Right-Hand |
Application |
| 3846559 |
3747042 |
300
& 350 Horsepower 327 Engines |
| 3872765 |
3872778 |
300
& 350 Horsepower with K19* |
| 3880827 |
3880828 |
390
& 425 Horsepower 427 Engines |
1967
|
Left-Hand |
Right-Hand |
Application |
| 3846559 |
3747042 |
300
& 350 Horsepower 327 Engines |
| 3872765 |
3872778 |
300
& 350 Horsepower with K19* |
| 3880827 |
3880828 |
390,
400, 435 Horsepower & L88 427 Engines |
Note:(*) K19 is Air Injection Reactor.
Exhaust
Manifold Notes
Exhaust manifold casting dates may not be visible when manifold
is installed, and some manifolds may not include a casting date.
casting date codes are as described for engine blocks, except they
do not normally carry a calendar-year reference.
1957-65 Fuel injection right-hand exhaust manifolds do not have
a machined hole as used for choked heat tube in carburetor applications.
1963-65 fuel injection left-hand exhaust manifolds do have a machined
hole for heat tube.
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