Product Description:
Genuine GM Double Tab Engine Valve Cover Oil Fill Filler Neck & Mobil 1 Cap OEM
GM Part #'s 12609623 & 12593356
This is the double tab filler neck typically found on all Gen IV LS engines (LS3, L99, LSA, L77, L76, etc.)
Product Description:
Genuine GM Double Tab Engine Valve Cover Oil Fill Filler Neck & Mobil 1 Cap OEM
GM Part #'s 12609623 & 12593356
This is the double tab filler neck typically found on all Gen IV LS engines (LS3, L99, LSA, L77, L76, etc.)