Spark Plugs MR43T
AC Delco Marine Stainless Steel body Spark Plug # MR43T This is the short thread (pre-Vortec) used on many GM 350 engines
SOLD AS A BOX OF 8
Pre-Vortec GM 5.7 engines have (12) "angled" intake manifold bolts, Vortec engines have (8) intake bolts that run straight down.