Tube Frame Chassis
Body: fiberglass, 3-section
Suspension: front/rear rocker arm, coil-over shock/spring, lower "A" arm, dual externally adjustable anti-roll bars
GEN2 SRF: Ford 1.9L fuel-injected, CVH(canted valve hemi) water-cooled, SOHC 8-valve, hemispherical head, inline 4-cylinder (derived from Ford Escort) and dynamometer tested and sealed by SCCA Enterprises
GEN3 SRF3: Ford Sigma 1.6L, sequential fuel-injected, DOHC 16-valve, inline 4-cylinder (derived from Ford Fiesta) by Ford Performance and dynamometer tested and sealed by SCCA Enterprises
ECU: Ford Motorcraft on GEN2, modified for racing, sealed by SCCA Enterprises. New for GEN3 is the Performance Electronics, Ltd. PE3 sealed by SCCA Enterprises.
Ford 5-speed manual transmission, sealed by SCCA Enterprises (Tilton dual-plate competition clutch, or alternate organic clutch on GEN3)
Hoosier radial-ply spec slick tire, dry and rain versions available.
Custom exhaust, spec muffler required on GEN3 SRF3
Wheels: spec 13-inch alloy from Shelby, Weld or (current supplier) Pack. Can also run spec stamped steel wheels.
Brake Pads: Hawk (spec pads)
Brake Calipers: Original Renault or optional Wilwood
Clutch and Brake Master Cylinders: AP (original) or Wilwood
Cockpit-adjustable brake bias
H-Pattern gear shifter or SADEV sequential shifter
Dampers: Penske Racing (current supplier) or Koni (original, will soon be decertified) -- single adjustable, rebound only-sealed by SCCA Enterprises
92 in (2,337 mm) wheelbase
1,670 lb (757 kg). GEN2 SRF and 1560 lb GEN3 SRF3, including driver
Instruments: tachometer, oil pressure, water temperature, alternator warning light, any data acquisition system
Rain Map Torque Delivery Profile Selector on GEN3 only
Seat: SCCA Enterprises fiberglass or Butler Aluminum (Butler Head Surround, optional)
Steering Wheel -- optional type, driver's choice
105 hp (+/- approx. 0.75 hp) GEN2, 135 hp GEN3
Fuel Capacity: 7.75 US gal (29 L; 6 imp gal) ATL Fuel Cell
Fuel: commercial pump fuel only, usually 93 to 100 octane
135 mph (217 km/h) top speed GEN2, 150 mph top speed on GEN3