1968 Buick Sportwagon Bore: 1.125 In.; Position: Front Right;. 1969 Buick Sportwagon Bore: 1.125 In.; Position: Front Right;. 1970 Buick Sportwagon Bore: 1.125 In.; Position: Front Right;. 1972 Buick Sportwagon Bore: 1.125 In.; Position: Front Right;.