Do not let anyone convince you to install some super platinum, iridium or kryptonite spark plug in your SL V8. They are just not capable of handling the richer fuel mixtures associated with these older engines. After a time you will begin to experience rough running, hard starting and poor fuel economy. Watch the video below to see a good example of what NGK platinum plugs look like after running a few years in a 380SL. As seen on Cherry. CLICK HERE to watch the full video series on Kent’s R107 rolling restoration. Watch the video below to learn more.
Product Details
The Bosch Supers here are the only plug you should use. For ease and safety of removal and installation, we include in this kit a stiff flex head 10 inch long spark plug socket and a free length of braided fuel hose to make sure you do not cross thread the spark plug holes when you install these new plugs ( the video will also show the use of the socket and the hose.
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M116 and M117 EARLY V8 BOSCH Spark Plug Set of 8
These will fit all 1970 to 1975 3.5 and 4.5 V8 engines with D-Jetronic fuel injection (electronic). Do not use NGK, Platinum or any other kind of "special" spark plug. You will be sorry. Use only these Bosch Super plugs.
Special Braided Hose for Easy Spark Plug Installation
This is the very best hose Kent has found to use to install spark plugs in restricted spaces. Watch the video below and he will demonstrate.
Multi-Purpose Ultimate Wire Boot and Hose Clamping Tool
1972 to 1975 R107 350SL 450SL Complete Fuel Pump Conversion Kit
Since new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance.