Moparts Tech Archive

Small Block

Small Block bolt sizes

valve covers
1/4"{20}x3/4" amount needed 10

fuel pump
3/8"{16}x1 1/2" amount needed 2

thermostat housing
3/8"{16}x1" amount needed 2

intake manilofld
3/8"{16}x1 1/2" amount needed 12

water pump & timming cover as a combo-set
3/8"{16}x5" amount needed 4
3/8"{16}x3 3/4" amount needed 3
3/8"{16}x1" amount needed 3
3/8"{16}x2" amount needed 1

distibuter hold down
5/16{18}x 3/4" amount needed 1

Don't forget the washers to go with the bolts.
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