a £2 million duty fraud involving 10 million smuggled cigarettes.
HM Revenue & Customs officers made six large seizures from the gang between May and September 2008.
Paul Mallaby, of Denton View, Newcastle, and Kevin Railton, of Garsefield Gardens, Burnopfield, Co Durham, were each sentenced to two years and eight months in prison. Alan Conway, of Snowdon Street, Middlesborough, was jailed for two years.
A 16-month sentence was handed down to Michael Nash, of St Anneís, Newcastle, and two men were jailed for one year: Gary McPhail, of Broom Close, Stanley, Co Durham, and Thomas Griffiths of Durham Street, Spennymoor.
Kevin Howard, of Bessimer Street, Ferryhill, Co Durham, was sentenced to nine months, suspended for 12 months, and ordered to do 100 hoursí community service.
In a separate case, three men already serving prison sentences for cigarette smuggling have been ordered to repay £1.6†million from the proceeds of their crime or face extended prison sentences.
Assets including a yacht, properties in Spain and an E-Type Jaguar car have already been seized from the men, jailed by Northampton Crown Court last March.