Can you post pics with the wheels on your car?
Some numbers to go with your results:
C7 Z06 front wheel (Black with machined groove)
#23251387
Center bore per GM 2.76” (70.104mm)
19x10 ET 43mm Listed weight of 25.7lbs.
285/30ZR19 (87Y) SL Michelin® Pilot® Super Sport® ZP
MSRP $745
https://accessories.chevrolet.com/pr...egoryId=106001
C7 Z06 rear wheel (Black with machined groove)
#23319267
Center bore per GM 2.76” (70.104mm)
20x12 ET 59mm Listed weight of 31.8lbs.
335/25ZR20 (87Y) SL Michelin® Pilot® Super Sport® Z
MSRP $800
https://accessories.chevrolet.com/pr...egoryId=106001
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Roto-Fab w/sound tube delete, Katech ported TB, Pray IM, Velossa, DD side markers, DSX FF, UPR Catch can, Halo brace, My custom vent gauge pod
Originally Posted by arpad_m - “Aww, yet another oil thread with almost the same question in the OP“