These are the lower / leading spark plugs for the Mazda RX-7 Rotary Engine 13B.
Safe for Stock port / Street ported motors.
We recommend using the NGK BUR9EQP for trailing for basic bolt-ons.
NGK Laser Platinum® spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
Sold as a pack:
2 x BUR7EQP
2 x BUR9EQP
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NGK
These are the Upper / Trailing spark plugs on the 13B Rotary engines.Safe for Stock Port / Street Ported motors.Some people prefer using BUR9EQP for Leading and Trailing spark plugs. NGK Laser...
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NGK
NGK Laser Platinum Spark Plug (Leading) 86-95 Mazda RX-7 OE-style long-life spark plug; laser-welded platinum ground and center electrodes; requires less voltage; features increased...
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NGK
These are the lower / leading spark plugs for the Mazda RX-7 Rotary Engine 13B.Safe for Stock port / Street ported motors. NGK V-Power spark plugs are commonly used in many high performance engines...
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NGK
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...
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Easy to install. Affordable. Reliable. G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car. This ECU fits...
