Mazda | Model/Engine Type | Type | F/W (kgs.) | Assy (kgs.) | | RX7 FD3S | TS2B | 5.80 | 12.20 | | 13BT | TS2C | 6.00 | 13.10 | |   | TS2CW | 9.20 | 16.15 | |   | R2CD | 5.80 | 14.20 | |   | R3A | 3.70 | 10.55 | |   | R3C | 4.90 | 14.35 | | *Genuine MAZDA counter weight pn: N351-11-521 and 6 bolts pn: 805-27-236 (or 8051-27-235) are needed to |   |   | | install any of the above. |   |   | | OS Clutch Release Movement Alteration Kit is required to install any of the above. |   |   | |  |  |  |  | | RX7 FC3S | TS2B | 5.80 | 12.20 | | 13BT | TS2C | 6.00 | 13.10 | |   | TS2CW | 9.20 | 16.15 | |   | R2CD | 5.80 | 14.20 | |   | R3A | 3.70 | 10.55 | |   | R3C | 4.90 | 14.35 | | *Genuine MAZDA counter weight pn: N327-11-521A and 6 bolts pn: 805-27-236 (or 8051-27-235)  |   |   | | for chassis No. 0 to 20000 (before minor change) are needed to install any of the above. |   |   | | *Use genuine MAZDA counter weight pn: N351-11-521 and 6 bolts pn: 805-27-236 (or 8051-27-235) |   |   | | for chassis No. 20001 and on (after minor change) are needed to install any of the above. |   |   | | Optional Parts: Reinforced sleeve bearing kit and adjustable fork kit |   |   | |  |  |  |  | | RX7 SA22C | TS2AS | 5.10 | 9.80 | | 12A | TS2A | 5.10 | 10.20 | |   | TS2BS | 5.25 | 11.15 | |   | TS2B | 5.25 | 11.65 | | *If thermal reactor and/or catalyic converter is equipped, genuine MAZDA counter weight (pn:1883-11-751A) |   |   | | and 6 bolts (pn:8051-27-235 or 236) are needed to install any of the above. If 6PI and/or turbo charger is |   |   | | equipped, use genuine MAZDA counter weight (pn:N351-11-521A) and 6 bolts (pn:805-27-235 or 236) |   |   | | are needed to install any of the above. |   |   | |  |  |  |  | | Roadstar NA6CE, NA8C | TS2AS | 4.10 | 8.80 | | B6, BP8 | TS2A | 4.10 | 9.20 | |   | TS2BS | 4.90 | 10.80 | |   | TS2B | 4.90 | 11.30 | | *OS Release Sleeve Bearing Set is required to install any of the above. |   |   | |  |  |  |  | | RX-8 SE3P | TS2B | 5.80 | 12.20 | | 13B-MPS | TS2C | 6.00 | 13.10 | |   | TS2CW | 9.20 | 16.15 | |   | R2CD | 5.80 | 14.20 | |   | R3A | 3.70 | 10.55 | |   | R3C | 4.90 | 14.35 | | *Sleeve Bearing |   |   |   |
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