Dodge Ram SRT-10 wheel and tire sizes

Dodge Ram SRT-10: 8.3 (550hp)

2006, 2007, 2008, 2009, 2010, 2011, 2012

Wheel specs and tire sizes (2006 – 2012)

• Bolt pattern (PCD): 5 × 139.7
• Center Bore (CB): 77.8
• Thread size (THD): 9/16″ (18 UNF)
• Diameter: 20 — 22
• Width: 275 — 285
• Aspect ratio: 45 — 55
• Smallest — Largest tire size: 275/55R20 — 285/45R22

Rims sizes (2006 – 2012)

• Diameter: 20 — 22
• Width: 8.5 — 10
• Offset: 10 — 20