Sinclair

604 4Th Ave

Armstrong, IA 50514

(712) 868-3142

Operating hours

Monday, 6:30 AM - 5:00 PM

Tuesday, 6:30 AM - 5:00 PM

Wednesday, 6:30 AM - 5:00 PM

Thursday, 6:30 AM - 5:00 PM

Friday, 6:30 AM - 5:00 PM

Saturday, 7:00 AM - 12:00 PM

Sunday, Closed

Service Location

  • Air

  • Diesel

DINOCARE Our Top Tier Gasoline

DINOCARE® is a registered TOP TIER™ gasoline that satisfies the requirements of today’s most advanced engines and is available at all Sinclair stations.