Here is a spec list of Keiichi Hot Version Trueno ~2002 (and rough translation) some things have changed since isted.
ENGINE: AE111 5-Valve 4A-GE (Modified approx. 175 HP)
CAMS: TODA Racing 272/288
PISTONS: TODA Racing Forged Ø82mm
COMPUTER: FREEDOM ECU (MOTORe Tune/Setting)
TRANSMISSION: TRD 3-Speed Cross-Mission (Close Ratio 1-3)
FINAL DRIVE: Genuine Toyota 4.778
LSD: TRD 2-WAY (Mechanical)
EXHAUST MANIFOLD/MUFFLER: TRD Custom
DAMPER: (F&R)TRD AE86 (Blue adjustable short-stroke)
SPRINGS: (F)8Kg/mm (R)8Kg/mm (Was upto (F)12Kg/mm and (R)10Kg/mm depending on track)
STABILIZER: TRD (Anti Roll Bars)
BUSHINGS: TRD Reinforced/Strengthened Rubber compound
HOOD: M-TECHNIC Dry Carbon Bonnet
TAILGATE: TRD N2 Application FRP Hatch Wing
DOOR/SIDE MIRRORS: SHITSUA MODEL Dry Carbon - 350g each (less than half OEM mirror 820g)
BODY REINFORCEMENT: Tokyo Kagaku Toso Inc. (As seen in video posted above)
MAINTENANCE: MOTORe (TRD's Sakurai)
BRAKE: (F)MZ21 Caliper & Disk (R)OEM Disk
BRAKE PADS: IMAGE (F)C2 (R)Super-Sports
WHEELS: SSR Dori Dori Mesh 15x7J offset -2
TIRES: BS Potenza RE-01 195/50R15
WEIGHT: Approx. 900KG.
Tsukuba Circuit Best time: 1' 06" 94 (S Tire)