These are Direct Replacement GM (OEM) Parts for a Perfect Fit.
Just remove the stock ones and install the new ones.
Hydrographic/Body Color Match Finish applied with 5 Coats of PPG UV Clear then Buffed to a Show Winning Shine.
$30.00 Refund for Your Old Parts in Good Condition.
Dipstick is available also…
There is NO power steering cap for the C7.