
Spec Focus

Spec Focus (SF) is a class of racing car used in National Auto Sport Association (NASA). The SF class focuses on the popular Ford Focus. SF is geared toward budget-minded enthusiasts looking for an affordable and fun class with rules that guarantee close competition on a reasonable budget with cars built in this century. SF allows owners of a Ford Focus to go racing by simply adding an easily available assortment of bolt-on parts and safety equipment and is a perfect starting point for aspiring new drivers to get into racing. The normal cost for a Spec Focus is $8,000 to $10,000. 
Spec Focus races are run at all NASA regional events, as well as the annual National Championships held each year at the Mid-Ohio Sports Car Course.
Cars.
• 2000-2008 Ford Focus ZX3, ZX5, ZX4, ZTS, SVT, Coupes and Sedans
• 2.0L Zetec, 2.0 SVT, 2.0L Duratec, 2.3L Duratec
• 160+ WHP
• Ford Racing Dynamic Dampers
• Ford Racing Spec Focus Springs
• Performance Sway Bars
• Ford MTX-75 transmission
• Ford Racing SVT Brakes
• OEM, SVT, RS Type Kits
• SVT or RS Type Spoilers Allowed
• 17 x 7 Ford Racing Wheels
• Toyo Proxes R888 215/45 x 17
• Estimated cost $7,000 to $9,000
Class rules.
This section is not an exhaustive set of rules; it is intended to give the reader an idea of the preparation level of the cars in this class.
Spec Focus use specific Multimatic Inverted Dynamic dampers with Multimatic springs and adjustable front and rear sway bars, SVT Brake kit. Toyo Tires are specified for the Spec Focus Series. The tire are 215/45x17 Toyo R888 Race tires that will fit on a Ford Racing Performance Parts 17x7 wheel.
Cars with 2.0 liter engines have a minimal weight of 2600 pounds and cars with a 2.3 liter Duratec engines have a minimum race weight of 2675 pounds. 
The full rules for the class may be found in the current Spec Focus Category Specifications of the NASA rule book.
Series Officials.
National Series Director - West: Ted Severns
National Series Director - East: Leo Capaldi
National Champions.
2006 Brett Mars, Ohio/Indiana Region
2007 Craig Capaldi, Ohio/Indiana Region
2008 Craig Capaldi, Ohio/Indiana Region
Track Records.
Autobahn County Club: Chris Kisner - 2.0L SVT ZX3 1:47.276 
Buttonwillow Raceway Park 13CW: Ryan Lapp - 2.0L Zetec ZX3 2:11.219
Buttonwillow Raceway Park 13CCW: Ryan Lapp - 2.0L Zetec ZX3 2:10.842
California Speedway: Preston Lerner - 2.3L Duratec ZX4 ST 2:02.683
Gateway International Raceway: Thomas Gage - 2.0L SVT 1:14.799
Mid-Ohio (Club Course): Brett Mars - 2.3L Duratec ZX4 ST 1:48.100
Mid-Ohio (Pro Course): Craig Capaldi - 2.3L Duratec ZX5 1:45.495 
Phoenix Intl Raceway: Tom Wilson - 2.0L Zetec ZX3 1:15.323
Grattan Raceway: Leo Capaldi - 2.0L Duratec ZX5 1:33.157
Summit Point (full): Matt Marks - 2.3L Duratec ZX4 ST 1:33.417
Virginia International Raceway: Matt Marks - 2.3L Duratec ZX4 ST 2:26.943
Virginia International Raceway (North): Matt Marks - 2.3L Duratec ZX4 ST 1:52.774 
Willow Springs Raceway: Ryan Lapp - 2.0L Zetec ZX3 1:38.965
References.
"General Competition Rules and Specifications", 2007, NASA Spec Focus Series.