Police have arrested eight western suburbs men following two alleged aggravated burglaries in Keysborough and Clayton South.

Brimbank officers executed warrants in Deer Park, Yarraville and Cairnlea as part of a three night operation, seizing two cars and a large amount of cash.

Four men from Cairnlea, aged 20 to 22, were arrested, as well as a 19-year-old and 25-year-old from Yarraville, and an 18-year-old and a 20-year-old from Deer Park.

Charges  included aggravated home invasion, theft, false imprisonment, weapon offences and conspiracy to commit burglary.

All eight men will appear at Melbourne Magistrates Court today.