Refresh your Mazda RX-7 ignition system with this set of 4 NGK 2329 BR8EQ-14 spark plugs, designed for 1981–1985 models. These NGK standard spark plugs deliver dependable ignition performance and are a practical replacement choice for routine engine maintenance.

Each plug features a 1.4 mm gap, M14 x 1.25 thread, 19.5 mm reach, nickel tip, and ceramic insulator. The heat range 8 specification supports reliable operation when matched to your vehicle’s requirements. Check your owner’s manual or existing plug number to confirm fitment before purchase.

Includes four NGK BR8EQ-14 spark plugs, part number 2329 (MPN BR8EQ-14). A trusted option for Mazda RX-7 spark plug replacement and automotive tune-up service.