Brad Keselowski clinched the Sprint Cup title at Homestead after five-time Cup champion Jimmie Johnson pulled out of the season-finale race because of a parts failure. The 28-year-old Keselowski claimed the first championship for longtime NASCAR owner Roger Penske and grabbed a title for car manufacturer Dodge, which is leaving the Sprint Cup series after the season. The championship was Keselowski’s first-career title. (Tom Pennington/Getty Images)
GALLERY: 2012 Sprint Cup Winners

Brad Keselowski clinched the Sprint Cup title at Homestead after five-time Cup champion Jimmie Johnson pulled out of the season-finale race because of a parts failure. The 28-year-old Keselowski claimed the first championship for longtime NASCAR owner Roger Penske and grabbed a title for car manufacturer Dodge, which is leaving the Sprint Cup series after the season. The championship was Keselowski’s first-career title. (Tom Pennington/Getty Images)

GALLERY: 2012 Sprint Cup Winners

Kasey Kahne, driver of the No. 5 Farmers Insurance Chevrolet, races past the checkered flag to win the NASCAR Sprint Cup Series LENOX Industrial Tools 301 at New Hampshire Motor Speedway on Sunday in Loudon, N.H. (Tom Pennington/Getty Images for NASCAR)
MARTIN: Wild cards, pit problems and other thoughts from LoudonMcCARTNEY: Who will nab the top seed in the Chase for the Cup?GALLERY: Best Shots of Every 2012 Sprint Cup Winner | Standings

Kasey Kahne, driver of the No. 5 Farmers Insurance Chevrolet, races past the checkered flag to win the NASCAR Sprint Cup Series LENOX Industrial Tools 301 at New Hampshire Motor Speedway on Sunday in Loudon, N.H. (Tom Pennington/Getty Images for NASCAR)

MARTIN: Wild cards, pit problems and other thoughts from Loudon
McCARTNEY: Who will nab the top seed in the Chase for the Cup?
GALLERY: Best Shots of Every 2012 Sprint Cup Winner | Standings