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NGK BUR9EQ V-Power Spark Plug Mazda RX-7 FC3S FD3S Upper Trailing

NGK BUR9EQ V-Power Spark Plug Mazda RX-7 FC3S FD3S Upper Trailing

$6.00 $16.39
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SKU:
5483
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Description

These are the Upper / Trailing spark plugs on the 13B Rotary engines.
Safe for Stock Port / Street Ported motors.
Some people prefer using BUR9EQ for Leading and Trailing spark plugs.

NGK V-Power spark plugs are commonly used in many high performance engines.  These are the only spark plugs with the V-Groove technology.  By reducing the surface area of the nickel electrode tip closest to the ground strap, ignitability is improved while spark voltage requirements are reduced.