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1st Gen Information

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Chevy V8 Bore and Stroke List Small Block Chevy Casting Numbers
SBC Block Casting Numbers
SBC Block Suffix Codes
SBC Head Casting Numbers
SBC Crankshaft Casting Numbers SBC Intake Manafold Casting Numbers SBC CamShaft Numbers SBC Piston Numbers

Big Block Chevy Casting Numbers
BBC Block Casting Numbers
BBC Block Suffix Codes
BBC Head Casting Numbers
BBC Crankshaft Casting Numbers BBC Intake Manafold Casting Numbers BBC Camshaft Numbers BBC Piston Numbers

 Muncie 4 Speed Identification

Chevy Bellhousing Identification

67, 68, 69 and 2nd Generation Camaro Gallery

Links for Information, Service and Parts

Links to Parts Manufacturers

SBC Block Casting Numbers

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Casting Number

Size

Year

Main Bolts

Notes

140029

350

80-84

2

 

330817

400

72-80

2

 

355909

262

75

2

 

355909

305

76-79

2

 

360851

262

75-76

2

Monza V-8

361979

305

77-79

2 or 4

Some Canadian assembled heavy duty blocks have 4-bolt main caps

366245

350

78-79

4

Bowtie

366286

 

 

4

Bowtie siamesed straight nodular iron main caps 2-piece seal 4.00-4.150"bores 2.45" main journals

366298

 

 

4

Bowtie Aluminum billet main caps 3.398" bore with sleeves two piece rear main seal.

366299

 

 

4

Bowtie Aluminum nodular iron splayed caps wet sump 4.00" bore

389257

302

67

2

 

393288

283

65-67

2

 

460703

350

78

4

 

460776

305

78-79

2

 

460777

305

78-79

2

 

460778

305

78-79

2 or 4

 some Canadian assembled heavy duty truck blocks have 4-bolt main caps

471511

267

79-82

2

 

3556519

283

58-61

2

 

3703524

265

55

2

No oil filter

3720991

265

56-57

2

 

3731548

265

57

2

No side motor mounts

3731548

283

57

2

No side motor mounts

3737739

283

58-64

2

 

3756519

283

58-62

2

 

3782870

327

62-67

2

 

3789817

283

62-64

2

 

3789817

327

62-67

2

 

3789935

283

61-64

2

 

3790721

283

62-64

2

Chevy II recessed oil filter boss

3790721

327

65-66

2

Chevy II recessed oil filter boss

3791362

327

62-67

2

Chevy II recessed oil filter boss

3792563

327

65

2

 

3792582

283

64-65

2

 

3794226

283

58-63

2

 

3794460

327

62-64

2

 

3830944

327

63

2

 

3834810

283

64-66

2

 

3834812

283

62-63

2

 

3837739

283

58-62

2

 

3849852

283

57-66

2

 

3849935

283

65-67

2

 

3858174

327

64-67

2

 

3858180

327

64-67

2

 

3858618

350

68-76

2

 

3862194

283

65-67

2

Chevy II recessed oil filter boss

3862812

283

62-64

2

 

3892657

302

67

2

Z-28 Camaro

3892657

327

67

2

 

3892657

350

67

2

Camaro

3896944

283

66-67

2

 

3896948

283

66-67

2

 

3903352

327

67

2

 

3914636

307

68

2

 

3914638

307

68

2

 

3914653

307

68-73

2

 

3914660

327

68

2

 

3914678

302

68

2

Z-28 Camaro

3914678

327

68

2

 

3914678

350

68

2

 

3931174

307

68

2

Truck

3932371

307

69-73

2

 

3932373

307

68-73

2

 

3932386

302

69

4

Z-28 Camaro

3932386

327

69

2

 

3932386

350

69

2 or 4

 

3932388

327

69

2

 

3932388

350

69

2 or 4

 

3933180

327

68-69

2

 

3951509

400

70-71

4

 

3951509

400

74-80

2

 

3951511

400

70-73

4

Some replacement blocks had 2-bolt main caps

3956618

302

69

4

Z-28 Camaro

3956618

327

68-69

2

 

3956618

350

69

2 or 4

 

3956632

307

69

2

 

3959512

327

62-67

2

Was also used for some "CE" replacement blocks

3959532

283

64

2

Used for some "CE" replacement blocks

3959538

327

 

2

Chevy II recessed oil filter boss  Used for some Chevy II "CE" replacement blocks

3970010

302

69

4

Z-28 Camaro

3970010

327

69

2

Trucks and industrial

3970010

350

69-80

2 or 4

 

3970014

350

70-76

2 or 4

 

3970020

307

69-73

2

 

3970024

307

69-73

2

 

4715111

305

80

2

 

6259425

350

69-76

2

 

10036033

350

 

4

Goodwrench crate motor 2-piece rear seal "Hecho en Mexico"

10046164

305

86

2

 

10049804

 

 

4

Aluminum Pontiac Super Duty version of Gen.I SBC 4.00" bore 350 mains 2-piece rear seal splayed caps GTP race block

10051182

 

 

2 or 4

Bowtie 3.75"-4.30" bores 1 or 2-piece rear seal

10051184

 

 

4

Bowtie 4.00"-4.155" bores 1 or 2-piece rear seal

10054727

350

86-up

2 or 4

one piece rear seal some "Made in Canada"

10066036

350

 

2 or 4

Target Master/Goodwrench crate motor 2-piece rear seal "Hecho en Mexico"

10066038

350

92

4

Goodwrench crate motor 2-piece rear seal "Hecho en Mexico"

10090511

350

90

2

LT-5 ZR1 Vette 375hp

10125327

350

92-up

2 or 4

Gen.II LT-1 reverse flow cooling

10125327

350

96-up

2 or 4

Gen.II LT-4 reverse flow cooling

10134398

 

 

4

Bowtie Aluminum 4.125" bore 2.65" main journals

10134996

 

 

4

Bowtie Aluminum 4.125" bore 2.65" main journals

10153558

350

91-92

4

LT-5 ZR1 Vette 375hp

10168588

265

94-96

2

L99 Gen.II 4.3 Liter V-8 Caprice reverse flow cooling

10199001

350

93-95

4

LT-5 ZR1 Vette 405hp

10243878

305

96-98

2

Vortec truck roller cam one-piece rear seal

10243880

350

95-00

2 or 4

Vortec truck Gen.I crate motors and "ZZ4" roller cam one piece rear seal

12550592

350

97-up

 

crossbolted block Gen.III "LS1" aluminum

12551358

 

.99-up

 

Gen.III 4.8L or 5.3L cast iron truck

12551364

364

98-04

 

crossbolted cast iron Gen. III 6.0L truck

12559378

350

99-up

 

crossbolted block Gen.III "LS1" aluminum

12559846

350

98-up

 

crossbolted block Gen.III "LS1" aluminum

12560621

350

98-up

 

crossbolted block Gen.III "LS1" aluminum

12560626

350

99-up

 

crossbolted block Gen.III "LS1" aluminum

12560629

350

99

 

crossbolted block Gen.III "LS1" aluminum

12561168

350

01-up

 

crossbolted block Gen.III "LS1" aluminum

12562174

350

98-up

 

crossbolted block Gen.III "LS1" aluminum

12568952

364

05-up

 

crossbolted block Gen.III 6.0L aluminum "LS2"

12566910

325

04-up

 

crossbolted block Gen.III 5.3L aluminum SSR Truck

12571048

325

04-up

 

crossbolted block Gen.III 5.3L

12573581

364

98-04

 

crossbolted cast iron Gen.III 6.0L truck

12577184

364

98-04

 

crossbolted cast iron Gen.III 6.0L truck

12577396

 

02-up

 

Gen.III 4.8L or 5.3L cast iron truck

14010201

305

80-85

2

 

14010202

305

80-85

2

 

14010203

305

80-85

2

 

14010207

350

80-85

2 or 4

 

14010209

350

80-85

2 or 4

 

14010280

267

79-82

2

 

14011064

350

83

4

 

14011148

350

87-89

 

Roller cam one-piece rear seal

14016376

267

79-82

2

 

14016379

350

77-79

2 or 4

 

14016381

305

80-84

2

 

14016382

305

79-84

2

 

14016383

305

80-85

2

Truck

14079287

350

86-90

 

Truck

14088526

350

87-89

 

Roller cam one-piece rear seal

14088548

350

86-88

2 or 4

 

14088551

305

86-87

2

one-piece rear main seal

14093627

305

87-94

2

Roller or flat tappet cam one-piece rear seal

14093638

350

87-95

2 or 4

Roller or flat tappet cam one-piece rear seal

14094766

305

86-up

2

One-piece rear seal

14101147

305

85-up

2

 

14101148

350

86-90

4

One-piece rear seal

14102058

305

87-91

2

Roller cam one-piece rear seal

22551656

 

 

4

Chevy/Olds Rocket block 4.00"-4.190" bores 2.45" main journal sizes splayed caps dry sump 2-piece rear seal 9.025" deck

22551660

 

 

4

Chevy/Olds Rocket block 4.00"-4.190" bores 400 mains journal sizes splayed steel caps wet sump raised cam 2-piece rear seal 9.300" deck


We would like to thank everyone that has contributed to the data provided on this site.
This information has been gathered from several sources and has not been verified.