Small Block V8 Production

History and Design Features

Engine and

Main

Rod

Main Cap

model year

Bore

Stroke

Journal

Journal

2 or 4

262 '75- '76

3.671

3.10

2.45

2.10

2 - bolt

265 '55- '56

3.75

3.00

2.30

2.00

2 - bolt

267 '79'- '81

3.50

3.48

2.45

2.10

2 - bolt

283 '57- '67

3.875

3.00

2.30

2.00

2 - bolt

302 '67

4.00

3.00

2.30

2.00

2 - bolt

302 '68 -'69

4.00

3.00

2.45

2.10

4 - Bolt

305 '76- '91

3.736

3.48

2.45

2.10

2 - bolt

307 '68- '73

3.875

3.25

2.45

2.10

2 - bolt

327 '62- '67

4.00

3.25

2.30

2.10

2 - bolt

327 '68- '69

4.00

3.25

2.45

2.10

2 - bolt

350 '67- '91

4.00

3.48

2.45

2.10

2-4 bolt

400 '70- '72

4.125

3.75

2.65

2.10

4 - Bolt

400 '73- '80

4.125

3.75

2.65

2.10

2 - bolt

*Chart Courtesy of Chevrolet