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These Mazda apex seal springs fit 2mm 13B & 20B apex seals from 1986 through 1993 (S4, S5, FD, RE, 20B). One long and one short spring are required per apex seal; 6 of each for a 2-rotor 13B and 9 of each for a 20B.

These Mazda apex seal springs fit 2mm 13B & 20B apex seals from 1986 through 1993 (S4, S5, FD, RE, 20B). One long and one short spring are required per apex seal; 6 of each for a 2-rotor 13B and 9 of each for a 20B.

Lug Nut, M12x1.5 with 13/16 hex

Blocks coolant passage to intake manifold, which is necessary in some swap applications.

Replacment set of metric expansion plug (aka Freeze Plugs) for all RX-7 Rotary Engines.

Use these plugs to block the oil metering injection bungs in the rotor housings when running premix or other alternative means to lubricate the engine internals. Kit includes 2 plugs.

This is a Heavy Duty "Street/Strip" clutch pressure plate for non-turbo (NA) Mazda RX-7s from 1979-1982. 30-40% heavier throw than stock. Highly recommended for street performance and light track use.

This is a Heavy Duty "Street/Strip" clutch pressure plate for turbo Mazda RX-7s from 1987-1995. 30-40% heavier throw than stock. Highly recommended for street performance and light track use.

These are the thicker 1.0mm thick side seals used from 1974 through 1985, both 12A and 13B applications. They come a bit long, so you need to file/sand them down to fit. Sold individually. Order 12 for a 12A or 13B 2-rotor engine.

These are the springs for the thinner 0.7mm thick side seals used from 1986 (FC) through 1995 (FD). Sold individually. Order 12 for a 13B 2-rotor engine or 18 for a 20B 3-rotor engine.

These are the springs for the thicker 1.0mm thick side seals used from 1974 through 1985, both 12A and 13B applications. Sold individually. Order 12 for a 12A or 13B 2-rotor engine.

This is the corner seal for all 1986 through 1995 rotary engines with 2mm apex seals. Includes rubber plug for the center, which helps cold-start compression. Sold individually. Order 12 for a 2-rotor 13B engine or 18 for a 3-rotor 20B engine.

Upgraded Viton O-ring for Xcessive FD Aluminum Oil Pan. Does not get hard like the OEM o-ring previously provided in the kit.

Replacement belt for use with our FD IDLER KIT. Pick the belt length from the drop down menu.

Oil Metering block off, RX8, Renesis engine

This kit contains the o rings necessary to replace the original o rings for our FC Aluminum oil pan. You get the main o ring and the smaller o ring sealing the inner motor mount bolt.