NASCAR Nextel Cup Series -- Race No. 32 -- Subway 500
NASCAR Craftsman Truck Series -- Race No. 21 -- Kroger 200
Martinsville Speedway (0.526-mile oval) -- Martinsville, Va.
Fast Facts for October 19-21, 2007

Teams in both NASCAR series will run the same tire codes at Martinsville this weekend, though the Nextel Cup tires will be branded "Goodyear Eagle," while the Craftsman Truck tires will be branded "Goodyear Wrangler" . . . this is the same specific combination of left- and right-side tires that Goodyear brought for these teams to run at Martinsville earlier this season . . . this is the only track at which Craftsman Truck teams will run either of these two tire codes in 2007 . . . while Nextel Cup teams only run this exact combination at Martinsville, they did run this right-side code (D-4110) on all four tire positions at both road course races in 2007 . . . as on most NASCAR ovals one mile or less in length, teams will not run inner liners in their tires at Martinsville.
 
Tire: Goodyear Eagle Short Track Radials (Nextel Cup);
     Goodyear Wrangler Short Track Radials (Craftsman Truck)
 
Number of Tires: Nextel Cup: Left-side -- 1,450, Right-side -- 1,450;
     Craftsman Truck: Left-side -- 350, Right-side -- 350
 
Tire Codes: Left-side -- D-4108; Right-side -- D-4110
 
Tire Circumference: Left-side -- 87.3 in.; Right-side -- 88.6 in.
 
Technical Inspection Inflation: Left Front -- 25 psi; Left Rear -- 25 psi;
     Right Front -- 25 psi; Right Rear -- 25 psi
 
Minimum Recommended Inflation: Left Front -- 10 psi; Left Rear -- 10 psi;
     Right Front -- 23 psi; Right Rear -- 22 psi
 
Estimated Pit Window: Every 125-135 laps, based on fuel mileage (Nextel Cup).