All 450 and 550 V8 engines from 2007 to 2011. Performance Bosch plugs.
This kit includes EIGHT correct Bosch spark plugs and a small container of silicone grease to put on the ends of the spark plug wires. This is not a difficult job. In fact, it is one of the easiest spark plug changes you may ever do. No need to pay $500 for a shop to replace your spark plugs. Watch the video below and see how fast it can be done.
M273 V8 Spark Plug Replacement Kit
$83.95
SKU:
GEG-273SPLUGS 
Product Details
These are the best spark plugs you can install in your M273 V8. A spark plug removal tool can be purchased separately.
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$27.95
M103 M104 M119 M272 and M273 Ultimate Spark Plug Flexible Tool Set for 5/8" Plugs
Not for the M112 V6 or M113 V8. For those engines see related products below
This can be used on older 4, 6, and 8 cylinder gas engines up to around 2011 that have 5/8" spark plugs (except the M112 and M113 engines due to restriced access - see related products below). On some engines, you have very limited room to get to the rear sparkplugs.