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BoschSparkPlugs.net: HR7DPP33V Bosch 8103 0242236625 Spark Plug - Best Car Spark Plug Replacement
BOSCH Platinum Plus Spark Plugs 4417. Platinum Spark Plug Equivalent to FR6DCPLUS, FR6DDC, FR6DTC, and FR6KDEO OR NGK BKR7EKC for BMW R1100, R1150 & R1200.
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Porsche 911, 924S, 928, 944, and 968 Bosch "Platinum Plus 4" Spark Plug.
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