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The MR43LTS is the long reachGenuine Marine Spark Plug by AC Delco (stainless steel body) used on GM Vortec 5.7 engines

GM Vortec 300+HP engines have (8) intake manifold bolts running straight down, pre-Vortec engines have (12) angled bolts.

SOLD AS A BOX OF 8

Gap: .045"

Spark Plug MR43LTS

SKU MET-0015
$39.95

The MR43LTS is the long reachGenuine Marine Spark Plug by AC Delco (stainless steel body) used on GM Vortec 5.7 engines

GM Vortec 300+HP engines have (8) intake manifold bolts running straight down, pre-Vortec engines have (12) angled bolts.

SOLD AS A BOX OF 8

Gap: .045"

The MR43LTS is the long reachGenuine Marine Spark Plug by AC Delco (stainless steel body) used on GM Vortec 5.7 engines

GM Vortec 300+HP engines have (8) intake manifold bolts running straight down, pre-Vortec engines have (12) angled bolts.

SOLD AS A BOX OF 8

Gap: .045"

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