Product Description:
Genuine OEM GM Double Tab Engine Valve Cover Oil Fill Filler Neck & Mobil 1 Cap
GM Part #'s 12609623 & 12659545
This is the double tab filler neck typically found on all Gen IV LS engines (LS3, L99, L77, L76, etc.)
Product Description:
Genuine OEM GM Double Tab Engine Valve Cover Oil Fill Filler Neck & Mobil 1 Cap
GM Part #'s 12609623 & 12659545
This is the double tab filler neck typically found on all Gen IV LS engines (LS3, L99, L77, L76, etc.)