Spec Corvette Line Clarification.
#37441 from Joe Aquilante · Rule change · TB 25-01 (2025-01 Fastrack)
In T2 Spec Lines, Spec Corvette, change as follows:
Weight: "SC-3200, SC+-3300* See Notes Section"
Notes: "Cars must comply with all Spec Corvette rules dated 11-28-22 including fuel and tires. No tire treatment or rubbersofteners are permitted. Limited to 380 HP. Nankang NS-2R Tires conforming to Spec Corvette rules or a 295 R compound DOTtire. Cars must conform to Spec Corvette rules dated 11/2022. Master cylinder part number GM 19418187 and Booster part
number 19418516 permitted. Limited to 380 HP. Any 200tw 315 tire permitted if used on all 4 corners or a 295 R compound DOT
tire.
Modifications to Radiator Air Shroud to increase radiator cooling efficiency is allowed. Replacement of factory air shroud with
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other material is allowed. New air shroud cannot be wider than inside of frame rails. The front bumper must remain in factory
shape – unmolested and air shroud must mount to it in factory location. Upper Radiator Support must retain factory location.
Factory air dam must remain in its factory location.
All factory suspension pick up points must be maintained. Trackspec’s rear upper coilover offset shock mount may be used, part
number C56UPRMNT.
The following "Spec Corvette +" allowances are permitted with a base weight of 3300 lbs: 1) Penske double adjustable shocks, 2)
dry sump, 3) battery relocation, 4) Quaife limited slip differential, 5) T2 4 piston 13"
front brake system, 6) coil springs other than Eibach part number 0800.225.0550."