23-05-2021

Where Is The Serial Number On A 350 Chevy Engine

I just purchased a chevy 350 engine, I have the serial number at the back of the block: GM 3914638. What year & size - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

Small Block Chevy Engine Block Identification

General block Info | Block Casting Numbers | Block Casting Date | Engine Code Stamping | Casting Clock Code
VIN Code Format | Camaro Specific Engine Codes | Small Block Suffix Codes

General Engine Block Specifications
While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. 283 blocks (3.875' bore, 2.3' main), 302/327/350 blocks (4' bore, 2.3' or 2.45' mains), and 400 blocks (4.126', 2.65' mains). In 1968 the main bearing saddles were increased in size from 2.3' to 2.45'.

CIDYearBoreMain Cap
26219753.6712 bolt ONLY
2671979 - 813.5002 bolt ONLY
3051976 - 963.7362 bolt ONLY
3071968 - 733.8752 bolt ONLY
3271968-694.001 (2.3' main)2 bolt
3501968-884.001 (2.3' main)2 bolt
26519944.001 (2.45' main)2 bolt
3021968-694.001 (2.45' main)4 bolt
3501968-964.001 (2.45' main)4 bolt
4001970-724.126 (2.65' main)4 bolt
4001973-804.126 (2.65' main)2 bolt

Notes: 2 bolt ONLY means what it says. You will NOT find a 4 bolt 305 block (made by the factory). Period. Otherwise 2 or 4 bolt can mean either design...

Engine Code Stamping Numbers
All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. 6 cylinder engines are stamped on the passenger side of the block behind the distributor.
Click here for Chevy Engine Code Listings

The engine date must precede the car build date, otherwise something is amiss. Some engine machining operations (decking) will obliterate the engine ID.

Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code)
Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400)

Code

Engine Plant

Code

Engine Plant

F

Flint (Motor)

S

Saginaw Service

H

Hydramatic

T

Tonawanda

K

St. Catherines, Ontario

V

Flint (Engine)

(McKinnon Industries Canada)

M

GM of Mexico

Casting Clock
On some Saginaw blocks, intakes and exhausts a 'clock' was cast into the block. The clock is a circle of 10 dots, one dot for each hour of a shift (usually 10 hour shifts). An arrow points to the beginning of the shift an another dot outside the circle indicates what time of day the cast part was made. Anyways, that's what that circle thing is (if you happen to see it on something).

Camaro Engine Code Stamping Numbers
Dropbox contains Camaro engine suffix codes for year selected.

Casting Date
Small block casting date is located on driver side rear of block on flange forward of bellhousing. Big block on the right side of engine above the oil pan rails.

Casting Date Example: E038 - (E = Month, 03 = Day, 8 = Last digit of model year (1978)).

Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I = Sep, J = Oct, K = Nov, L = Dec

VIN Code Format
The vin code format is stamped onto most engines. The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number.
In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID.
Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened).

VIN code format Example: 13N100001
(1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN)

For a list of assembly plants, click here.

Engine Block Casting Numbers

Notes (for below): 'High Power' is the maximum rate HP this block was used for, 'Low Power' is the lowest rated horsepower RPO engine the block was used in. 'Main Caps' is the number of bolts holding the cap. A 'two-bolt' main, or a four-bolt main. Four bolt main blocks are desirable in high performance applications because the extra strength of the additional bolts keeps the bottom end rigid and less prone to failure. However, a properly prepared 2 bolt main engine will work just fine (often times you'll lose a rod bolt before you break a crank because it's 'only' a 2 bolt main).

Years

Casting

CID

Low Power

High Power

Main Caps

Comments

1980-85

140029

350

-

-

2

car

1973-80

330817

400

150

180

2

car, truck

1975

355909

262

110

110

2

car, truck

1976-85

355909

305

-

-

2

A

1975

360851

262

-

-

2

Monza

1976-79

361979

305

-

-

2

car, truck

1978-86

366245

350

-

-

-

car

1982-86

366286

350

-

-

4

Chevrolet, siamese

1982

366299

350

-

-

4

Chevrolet, aluminium

1956-67

383810

283

-

-

2

-

1967-68

389257

302

-

-

2

Z-28

1968-73

391436

307

-

-

2

-

1965-67

393288

283

-

-

2

car, truck

1976-79

460776

305

-

-

2

car, truck

1976-79

460777

305

-

-

2

car

1978-79

460778

305

-

-

2

car, truck

1979-82

471511

267

-

-

2

car, truck

1976-85

581671

305

-

-

2

A

1985-94

1489363

350

-

-

2

-

1979-82

2135412

267

-

-

2

-

1979-82

2404929

267

-

-

2

1973-76

3030817

400

-

-

2

car, truck

1958-61

3556519

283

-

-

2

car, truck

1955

3703524

265

195

_

2

car, no filter

1955-56

3720991

265

195

225

2

car, truck

1957

3731548

283

220

283

2

-

1956-67

3736935

283

-

-

2

-

1957-59

3737739

283

220

290

2

car, truck

1958-62

3756519

283

170

315

2

car, truck

1956-67

3756935

283

-

-

2

-

1962-65

3782870

327

250

375

2

car, truck

1956-67

3789187

283

-

-

2

-

1962-67

3789817

327

210

275

2

car, truck

1961-62

3789935

283

170

315

2

Late 61 car & vette

1962-67

3790721

283

170

220

2

Chevy II

1964-67

3791362

327

250

300

2

Replaced 3790721

1958-63

3794226

283

170

195

2

Car & truck

1968-69

3794460

327

250

250

2

truck

1968-69

3814660

327

-

-

2

F A

1968-69

3814660

302

-

-

4

Camaro, Z-28, Vette

1963

3830944

327

-

300

2

-

1956-67

3832338

283

-

-

2

-

1964-66

3834810

283

195

220

2

Car, truck & marine

1962-63

3834812

283

170

195

2

car & truck

1958-62

3837739

283

-

-

2

-

1964-68

3849852

283

195

220

2

car & truck

1956-67

3849859

283

-

-

2

-

1956-67

3849935

283

-

-

2

-

1964-67

3852174

327

-

-

2

car, truck

1968-76

3855961

350

-

-

2

car

1964-67

3858174

327

275

350

2

Full, A & Y

1964-67

3858180

327

250

300

2

-

1962-67

3858190

327

-

-

2

-

1965-67

3862194

283

195

220

2

Chevy II

1962-66

3864812

283

230

-

2

car, truck

1964-67

3868657

327

300

-

2

1962-67

3876132

327

-

-

2

1963

3889935

283

-

-

2

truck

1967

3892657

302

290

290

2

Z-28, small journal

1967

3892657

327

210

350

2

car & truck

1967

3892657

350

295

295

2

Camaro

1968-69

3892659

327

210

-

2

1967

3896944

283

195

195

2

replaced by 307 in 68

1967

3896948

283

195

195

2

identical to 3834810

1967

3903352

327

210

350

2

cars only

1969-80

3911460

350

-

-

2

A

1968-73

3914635

307

-

-

2

car

1968

3914636

307

200

200

2

car & truck

1968-69

3914638

327

-

-

2

1968-73

3914653

307

-

-

2

A

1968

3914660

327

210

300

2

cars

1968

3914678

302

290

290

2/4

Camaro, Z-28

1968

3914678

327

210

350

2

car & truck

1968

3914678

350

295

295

2

Camaro/ChevyII

1965-67

3932288

283

-

-

2

A

1956-67

3932338

283

-

-

2

1974-75

3932368

350

-

-

2

1969-73

3932371

307

-

-

2

car,truck

1969-73

3932373

307

-

-

2

car,truck

1969

3932386

302

290

290

4

Camaro Z28

1969

3932386

327

210

210

2

Camaro

1969

3932386

350

300

350

4

LT1

1969

3932388

302

290

290

4

Z28

1969

3932388

350

300

300

4

cars

1968-69

3933100

327

-

-

2

1968-69

3933180

327

-

-

2

1968

3941174

307

-

-

2

truck

1956-67

3949852

283

-

-

2

1970-80

3951509

400

150

265

2/4

car,truck

1970-73

3951511

400

255

265

4

B & G body

1962-67

3953512

327

-

-

2

1968-69

3955618

327

-

-

4

A,F,Vette

1969

3956618

302

290

290

4

Z28

1969

3956618

327

235

235

2

fullsize

1969

3956618

350

250

350

2/4

cars

1969

3956632

307

200

200

2

car & truck

1969-76

3958618

350

-

-

2

A

1962-63

3959512

327

250

-

2

1956-67

3959532

283

-

-

2

1968

3970010

327

-

-

2

A

1969-79

3970010

350

185

370

2 or 4

car, truck, Vette

1970-73

3970014

350

200

300

2/4

LA built Camaro

1969-73

3970020

307

115

200

2

car,truck

1969-72

3970024

307

130

200

2

A,F,X

1968-76

6259425

350

-

-

-

car,truck

1980-84

14010201

305

-

-

2

car,truck

1980-84

14010202

305

-

-

2

car,truck

1980-84

14010203

305

-

-

2

car, truck

1980-82

14010205

267

-

-

2

-

1980-85

14010207

350

-

-

4

truck

1980-85

14010209

350

-

-

4

truck

1978-86

14010231

305

-

-

2

-

1979-82

14010280

267

-

-

2

car

1982

14011064

350

-

-

4

Chevrolet, high tin

1979-82

14016375

267

-

-

2

-

1979-82

14016376

267

-

-

2

car

1978-85

14016379

350

-

-

-

car, truck

1980-84

14016381

305

-

-

2

car, truck

1978-88

14016383

305

-

-

2

-

1979-82

14040205

267

-

-

2

-

1978-86

14049047

305

-

-

2

1986-94

14079287

350

-

-

-

1987

14088526

350

-

-

2

Camaro

1986-94

14088548

350

-

-

-

-

1986-92

14088551

305

-

-

2

-

1988-94

14093627

305

-

-

2

-

1986-94

14093638

350

-

-

-

1988-94

14094766

305

-

-

2

1986-94

14101148

350

-

-

-

1987-88

14102058

305

-

-

2

1969-85

14316379

350

-

-

2


The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. These blocks are referred to as the “Gen I” small-block, the subsequent “Gen II” LT, and “Generation III/IV” LS, along with the current “Generation V” (LT/EcoTec3) engines.

The Chevrolet big-block is a series of large displacement V8 engines that were developed and used in the 1950s through the 1970s. Chevrolet had introduced its popular small-block V8 in 1955, but needed something larger to power the medium-duty trucks and its heavier cars that were on the drawing board.

Gen I small-block Chevy engine. This drawing is of the 1967 version of the 302 cid Chevrolet. Drawings by David Kimble.Production of the original small-block began in the fall of 1954, for the 1955 model year, with a displacement of 265 cid, growing incrementally over time until reaching 400 cid in 1970. Several intermediate displacements appeared over the years, such as the 283 cid that was available with mechanical fuel injection, the 327 cid as well as the numerous 350 cid versions.

Although all of Chevrolet’s siblings of the period (Buick, Cadillac, Oldsmobile, and Pontiac) designed their own V8s, it was the Chevrolet 350 cu in (5.7 L) small-block that became the GM corporate standard. Over the years, every American General Motors division, except Saturn, used it and its descendants in their vehicles.

In all, over 90,000,000 small-blocks have been built in carbureted and fuel injected forms since 1955. The small-block family line was honored as one of the 10 Best Engines of the 20th Century by the automotive magazine Ward’s AutoWorld.

Here is a list of casting numbers, along with their original applications.

Generation I Small-Block

10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal

10051182 Small Block V8 2 bolt, Bow Tie block, 3.75-4.30 bore, 1-piece rear seal

10051184 Small Block V8 4 bolt, Bow Tie, 4.00-4.160 bore, 1-piece rear seal

10054727 Small Block V8 1986 350, 2-bolt or 4-bolt, one piece rear seal

10066036 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal

10066038 Small Block V8 1994 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal

10090511 Small Block V8 1990 350, 2-bolt, LT5, Corvette ZR1, 375hp

10134996 Small Block V8 4-bolt, Bow Tie, aluminum, 4.125 bore, 2.65 main journals

10199001 Small Block V8 1993-1995 350, 4-bolt, LT5, Corvette ZR1, 405hp

10243878 Small Block V8 1996-1997 305, 2-bolt, Vortec truck, roller cam, 1-piece rear seal

10243880 Small Block V8 1995-1999 350, 4 bolt, crate engines and ZZ4, roller cam, one piece rear seal

Chevrolet Block Identification number locations. Photo from www.justanswer.com

140029 Small Block V8 1980-1984 350, 2 bolt

14010201 Small Block V8 1980-1984 305, 2 bolt

14010202 Small Block V8 1980-1984 305, 2 bolt

14010203 Small Block V8 1980-1985 305, 2 bolt

14010207 Small Block V8 1980-1985 350, 2 bolt or 4 bolt

14010209 Small Block V8 1980-1985 350, 4 bolt

14010280 Small Block V8 1979-1982 267, 2 bolt

14011064 Small Block V8 1983 350, 4 bolt

14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal

14016376 Small Block V8 1979-1982 267, 2 bolt

14016379 Small Block V8 1977-1979 350, 2 bolt or 4 bolt

14016381 Small Block V8 1980-1984 305, 2 bolt

14016382 Small Block V8 1979-1984 305, 2 bolt

14079287 Small Block V8 1986-1990 350, Truck

14088526 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal

14088548 Small Block V8 1986-1988 350, 2 bolt or 4 bolt

14088551 Small Block V8 1986-1987 305, 2 bolt, 1-piece rear main seal

14093627 Small Block V8 1987-1991 305, 2 bolt, roller cam, 1-piece rear seal

14093638 Small Block V8 1987-1995 350, 2 bolt or 4 bolt, roller or flat tappet cam, 1-piece rear seal

14101148 Small Block V8 1987-1990 350, 4 bolt, 1-piece rear seal

14102058 Small Block V8 1987-1991 305, 2 bolt, roller cam, 1-piece rear seal

330817 Small Block V8 1972-1980 400, 2 bolt

3556519 Small Block V8 1958-1961 283, 2 bolt

355909 Small Block V8 1975 262, 2 bolt

355909 Small Block V8 1976-1979 305, 2 bolt

360851 Small Block V8 1975-1976 262, 2 bolt

361979 Small Block V8 1978-1979 305, 2 bolt

366245 Small Block V8 1978-1979 350, 2 bolt

3703524 Small Block V8 1955 265, 2 bolt, no oil filter

3720991 Small Block V8 1956-1957 265, 2 bolt

3731548 Small Block V8 1957 265, 2 bolt, no side engine mounts

3731548 Small Block V8 1957 283, 2 bolt, no side mounts

3737739 Small Block V8 1958-1964 283, 2 bolt

3756519 Small Block V8 1958-1962 283, 2 bolt

3782870 Small Block V8 1962-1967 327, 2 bolt

3789817 Small Block V8 1962-1964 283, 2 bolt

3789817 Blocks Small Block V8 1962-1967 327, 2 bolt

3789935 Small Block V8 1961-1964 283, 2 bolt

3790721 Small Block V8 1962-1964 283, 2 bolt, recessed oil filter boss

3790721 Small Block V8 1965-1966 327, 2 bolt, recessed oil filter boss

3791362 Small Block V8 1962-1967 327, 2 bolt, recessed oil filter boss

3792563 Small Block V8 1965 327, 2 bolt

3792582 Small Block V8 1964-1965 283, 2 bolt

3794226 Small Block V8 1958-1963 283, 2 bolt

3794460 Small Block V8 1962-1964 327, 2 bolt

3814660 Small Block V8 1968-1969 327, 2 bolt

3830944 Small Block V8 1963 327, 2 bolt

3834810 Small Block V8 1964-1966 283, 2 bolt

3834812 Small Block V8 1962-1963 283, 2 bolt

3837739 Small Block V8 1958-1962 283, 2 bolt

3849852 Small Block V8 1957-1966 283, 2 bolt

3849935 Small Block V8 1965-1967 283, 2 bolt

3858174 Small Block V8 1964-1967 327, 2 bolt

3858180 Small Block V8 1964-1967 327, 2 bolt

3858618 Small Block V8 1968-1976 350, 2 bolt

3862194 Small Block V8 1965-1967 283, 2 bolt, recessed oil filter boss

3862812 Small Block V8 1962-1964 283, 2 bolt

389257 Small Block V8 1967 302, 2 bolt

3892657 Small Block V8 1967 302, 2 bolt, Camaro Z28

3892657 Small Block V8 1967 327, 2 bolt

3892657 Small Block V8 1967 302, 2 bolt, Camaro Z28

3896944 Small Block V8 1967 283, 2 bolt

3896948 Small Block V8 1966-1967 283, 2 bolt

3903352 Small Block V8 1967 327, 2 bolt

3914636 Small Block V8 1968 307, 2 bolt

3914653 Small Block V8 1968-1973 307, 2 bolt

3914660 Small Block V8 1968 327, 2 bolt

3914678 Small Block V8 1968 302, 2 bolt, Camaro Z28

3914678 Small Block V8 1968 327, 2 bolt

3914678 Small Block V8 1968 350, 2 bolt

3932371 Small Block V8 1969-1973 307, 2 bolt

3932373 Small Block V8 1968-1973 307, 2 bolt

3932386 Small Block V8 1969 302, 4 bolt, Camaro Z28

3932386 Small Block V8 1969 327, 2 bolt

3932386 Small Block V8 1969 350, 4 bolt

3932388 Small Block V8 1969 350, 2 bolt or 4 bolt

393288 Small Block V8 1965-1967 283, 2 bolt

3951509 Small Block V8 1970-1971 400, 4 bolt

3951509 Small Block V8 1974-1980 400, 2 bolt

3951511 Small Block V8 1970-1972 400, 2 bolt or 4 bolt

3956618 Small Block V8 1969 302, 4 bolt, Camaro Z28

3956618 Small Block V8 1968-1969 327, 2 bolt

3956618 Small Block V8 1969 350, 2 bolt or 4 bolt

3956632 Small Block V8 1969 307, 2 bolt

3959512 Small Block V8 1962-1963 327, 2 bolt

3970010 Small Block V8 1969 302, 4 bolt, Camaro Z28

Drawing of an LS6 Small-Block Chevrolet engine.

LS Small Block

12550592 LS Small Block V8 1997-up 346, LS1

12559846 LS Small Block V8 1998-up 346, LS1

12560621 LS Small Block V8 1998-up 346, LS1

12562174 LS Small Block V8 1998-up 346, LS1

LT Small Block

10125327 LT Small Block V8 1992 350, 2 bolt or 4 bolt, LT1, reverse flow cooling

10125327 LT Small Block V8 1996 350, 2 bolt or 4 bolt, LT4, reverse flow cooling

10153558 LT Small Block V8 1991-1992 350, 4 bolt, LT5, Corvette ZR1, 375hp

W Block

3732755 W Block 1959-1961 348 CID

3732811 W Block 1958 348 CID

3751872 W Block 1958 348 CID

3755011 W Block 1959-1961 348 CID

3771705 W Block 1959-1961 348 CID

3782012 W Block 1958-1961 348 CID

3788068 W Block 1962-1963 409 CID

3795623 W Block 1961 409 CID

3798962 W Block 1962-1965 348 CID, Truck

3815707 W Block 1958-1961 348 CID

3830814 W Block 1963 427 CID, Z11, 4.312 inch bore, 3.65 inch stroke

3830814 W Block 1963-1964 409 CID

3839752 W Block 1962-1963 409 CID

3839754 W Block 1965 409 CID

3844422 W Block 1963-1965 409 CID

3857655 W Block 1962-1965 348 CID, Truck

3857656 W Block 1964-1965 409 CID

3860386 W Block 1962-1964 409 CID

3860387 W Block 1958 348 CID

3844422 W Block 1963-1965 409 CID

3857655 W Block 1962-1965 348 CID, Truck

3857656 W Block 1964-1965 409 CID

3860386 W Block 1962-1964 409 CID

3860387 W Block 1958 348 CID

Big Block Chevrolet

10051107 Big Block V8 454, 4 bolt, Bowtie, MkIV, 9.8 deck, siamesed bores, 4.25-4.50 bore

10069282 Big Block V8 1990-1991 366 tall deck, 4 bolt, Mark IV, Tall deck

10069284 Big Block V8 427 tall deck, 4 bolt, Mark IV, Tall deck

10069286 Big Block V8 1990-1991 454, 4 bolt, Mark IV, Short deck

10114182 Big Block V8 1991+ 454, 4 bolt, Generation V

10114183 Big Block V8 1991+ 366 tall deck, 4 bolt, Generation V

10114184 Big Block V8 1991+ 427 tall deck, 4 bolt, Generation V

10134366 Big Block V8 454 tall deck, 4 bolt, Bowtie, Generation V, Tall deck

10185050 Big Block V8 454, 4 bolt, Bowtie, Generation V, Short deck

10237297 Big Block V8 1996+ 454, 4 bolt, Vortec 7400, L-29 Generation VI

10237299 Big Block V8 1996+ 427 tall deck, 4 bolt, Generation VI, 7.0L, truck

10237300 Big Block V8 1996+ 502, 4 bolt, Generation VI, 4.466 bore

12550312 Big Block V8 1996+ 427 tall deck, 4 bolt, Generation VI, 4.250 bore, fuel pump boss, clutch linkage pivot boss

12550313 Big Block V8 1991+ 454, 4 bolt, Generation V crate motor, Generation VI 4.25 bare block, fuel pump boss

12556110 Big Block V8 2001+ 496, 4 bolt, Generation VII 8.1L, Vortec 8100, Truck

12561357 Big Block V8 1996+ 454, 4 bolt, Generation VI

12561358 Big Block V8 502, 4 bolt, Generation VI

14015443 Big Block V8 1987-1990 454, 2 or 4 bolt, Mark IV, Truck or Motorhome

14015445 Big Block V8 1978-1990 454, 2 bolt or 4 bolt

14044807 Big Block V8 454 tall deck, 4 bolt, Bowtie, MkIV, CNC prep, Tall deck, 4.25 bore or 4.495 bores

14096859 Big Block V8 502, 4 bolt, Generation V, HO

24502504 Big Block V8 454, 4 bolt, Bowtie, Generation V, Race prep, 9.8 short deck height

Where Is The Serial Number On A 350 Chevy Engine For Sale

The

24502506 Big Block V8 454 tall deck, 4 bolt, Bowtie, Generation V, Race prep, 10.2 tall deck height

24502572 Big Block V8 4 bolt, 4.5 bore Olds DRCE 2, 9.5 deck height

25534402 Big Block V8 4 bolt, 4.590 bore Olds DRCE 3, 9.25 deck height

326711 Big Block V8 4 bolt, aluminum, CanAm, 4.44 bores, steel cylinder liners

340220 Big Block V8 1968-1985 427 tall deck, 4 bolt

345014 Big Block V8 1970-1986 454,

346236 Big Block V8 1975-1976 454, 2 bolt

Where Is The Serial Number On A 350 Chevy Engine Kit

359070 Big Block V8 1970-1990 454,

361959 Big Block V8 1973-1990 454, 2 bolt or 4 bolt

364776 Big Block V8 1968-1985 427 tall deck, 4 bolt

364779 Big Block V8 1968-1990 366 tall deck, 4 bolt

3782870 Big Block V8 1968-1976 427 tall deck, 4 bolt

3824553 Big Block V8 1966-1967 366 tall deck, 4 bolt

3855961 Big Block V8 1965-1966 396, 2 bolt or 4 bolt

3855961 Big Block V8 1966 427, 2 bolt

Where Is The Serial Number On A 350 Chevy Engine Problems

3855962 Big Block V8 1965-1966 396, 4 bolt

3855977 Big Block V8 1966-1973 366 tall deck, 4 bolt

3869942 Big Block V8 1966-1967 427, 2 bolt or 4 bolt

3902406 Big Block V8 1967 396, 2 bolt or 4 bolt

3904351 Big Block V8 1967 427, 2 bolt or 4 bolt

3904354 Big Block V8 1966-1976 366 tall deck, 4 bolt

3916319 Big Block V8 1968 366 tall deck, 4 bolt

3916321 Big Block V8 1968 427, 2 bolt or 4 bolt

3916323 Big Block V8 1968 396, 2 bolt or 4 bolt

3925521 Big Block V8 1968-1985 427 tall deck, 4 bolt

3935439 Big Block V8 1968-1969 427, 2 bolt or 4 bolt

3935440 Big Block V8 1968-1969 396, 2 bolt or 4 bolt

3937724 Big Block V8 1968-1985 366 tall deck, 4 bolt

3937726 Big Block V8 1968-1984 427 tall deck, 4 bolt

3946052 Big Block V8 1969 427, 4 bolt, aluminum ZL-1, Mark IV

3946053 Big Block V8 1997+ 427, 4 bolt, aluminum ZL-1, 2nd version, Mark IV

3955270 Big Block V8 1969 427, 2 bolt or 4 bolt

3955272 Big Block V8 1969 396, 2 bolt or 4 bolt

3955274 Big Block V8 1968-1985 366 tall deck, 4 bolt

3955276 Big Block V8 1968-1973 427 tall deck, 4 bolt

3963512 Big Block V8 1969 427, 2 bolt or 4 bolt

3963512 Big Block V8 1970-1976 454, 2 bolt or 4 bolt

3969852 Big Block V8 1968-1984 366 tall deck, 4 bolt

3969854 Big Block V8 1969 396, 2 bolt or 4 bolt

3969854 Big Block V8 1970-1972 402, 2 bolt or 4 bolt

3969858 Big Block V8 1968-1984 427 tall deck, 4 bolt

399204 Big Block V8 1970-1971 509, 4 bolt, aluminum, CanAm, 4.5 bores, steel Cylinder liners

399293 Big Block V8 1977-1978 366 tall deck, 4 bolt

3999289 Big Block V8 1971-1979 454, 2 bolt or 4 bolt, some CE replacement blocks had four bolt main caps

3999290 Big Block V8 1968-1969 396, 2 bolt or 4 bolt, Truck

3999290 Big Block V8 1970-1972 402, 2 bolt or 4 bolt, Truck

3999290 Big Block V8 1972 402, 2 bolt or 4 bolt, Passenger

3999293 Big Block V8 1968-1990 366 tall deck, 4 bolt

3999294 Big Block V8 1968-1984 427 tall deck, 4 bolt

473478 Big Block V8 1977-1990 427 tall deck, 4 bolt

495102 Big Block V8 4 bolt, aluminum, CanAm, 4.5 bores