NASCAR Post-Race Technical Inspection & Official Win Verifier

Winning Entry • Cup Series

@KyleLarsonRacin Hendrick Motorsports

Body Template & Aero Optical Scan

Passed

NASCAR OSS (Optical Scanning Station) surface variation tolerance: ±0.075 in.

Measured Aero Deviation: 0.00 in

-0.150" (Illegal Downforce) 0.00" (Nominal) +0.150" (Illegal Drag/Profile)

Ride Height (Front / Rear)

Passed

Minimum clearance and post-race splitter/spoiler deck reference plane check.

Front Splitter Clearance: 4.00 in

Min: 3.85"Spec: 4.00"

Rear Diffuser Clearance: 4.25 in

Min: 4.10"Spec: 4.25"

Fuel Sample & Chemical Purity

Passed

Sunoco Green E15 standard compliance gas chromatography analysis.

Ethanol Blend Ratio

15.0% (Legal Range: 14.5 - 15.5%)

Foreign Additive Detection

Zero Foreign Compounds

Engine & ECU Sealing Check

Passed

NASCAR encrypted spec ECU cryptographic signature & physical wire seals.

Intake / Valve Cover Wire Seals: Bosch MS6 EFI Software Hash:

Official Sanctioning Status

OFFICIAL WIN CERTIFIED

Official Winner Verified

TRACK / FACILITY: WWTRaceway

WINNING PILOT: @KyleLarsonRacin

CAR NUMBER: #5 Hendrick Motorsports Chevrolet

INSPECTION PROTOCOL: Rulebook Section 20 - Tech Inspection

ISSUES IDENTIFIED: 0

Station Audit Matrix

NEWS: Post-race inspection is complete at @WWTRaceway with no issues. The win is official for @KyleLarsonRacin!

NASCAR Post-Race Inspection Protocol (Cup Series)

Following race completion, winning cars and selected randomly drawn finishers proceed straight to the NASCAR Hauler & Tech Inspection station. Violations to aerodynamic envelopes, ride heights, fuel composition, or engine mapping can lead to L1/L2 penalties, point deductions, or outright victory disqualification under NASCAR Rule Book Sec. 20.

Source: NASCAR Official Bulletin for World Wide Technology Raceway (Gateway) • Verified 2026 Season