Tafseer Al-Ayashi Book: Abou Hamza reported from Imam Abou Abdellah (Pbuh) that he said: "He who recites Al-Kahef Chapter every Friday eve will only die as a martyr, be resurrected as a martyr and will stand on Resurrection Day as a martyr."
Also stated by Ibn Babawaih in Thawab Al-A'amal Book.
Abou Jaa'far Al-Toussi states in Al-Tahdheeb Book: Mohammad bin Abou Hamza reported from Imam Abou Abdellah (Pbuh) that he said: "Reciting Al-Kahef Chapter every Friday eve remits the sins that are between each two Fridays."
Al-Tabrasi states in Majma' Al-Bayan Book: Abi bin Kaeb reported that The Messenger of Allah (Pbuhp) said: "Reciting Al-Kahef Chapter protects from failing in tests for eight days. If the Imposter appears in these eight days, Allah protects he who recited it from failing in that test."
Khawas Al-Quran Book: The Messenger of Allah (Pbuhp) said: " For he who recites Al-Kahef Chapter Allah shall remit his sins from Friday to Friday plus three more days and he will be given light by which he can reach the sky. Writing it and placing it in a glass jar with a narrow opening in a house protects the house and its inhabitants from poverty and debts and the harm of people."
Khawas Al-Quran Book: Imam Sadiq (Pbuh) said: " Writing it and placing it in a glass jar with a narrow opening in a house protects the house and its inhabitants from poverty and debts and the harm of people. Writing it and placing it in stores of seeds like wheat, barley, rice, chickpeas and others protects them from any harm that might affect these seeds."