Tomei Forged Piston Kit 4G63 & 4B11
| Category | Engine | Parts Number |
| 86.00mm CH31.65 (2.2) | 4G63 |
TA202A-MT01A |
| 86.00mm CH31.65 (2.2) CP |
4G63 |
TA202A-MT01AP |
| 87.00mm CH27.40 (2.3) | 4B11 | TA202A-MT02A |
| 87.00mm CH27.40 (2.3) CP | 4B11 | TA202A-MT02AP |
| Part Number | TA202A-MT01A | TA202A-MT01AP | TA202A-MT02A | TA202A-MT02AP |
| BORE (mm) | 86.00 (OEM +1.0) |
86.00 (OEM +1.0) |
87.00 (OEM +1.0) |
87.00 (OEM +1.0) |
| PIN DIA. (mm) | 22 | 22 | 23 | 23 |
| PIN LENGTH (mm) | 60 | 60 | 62 | 57 |
| CLIP INNNER DIA. | 22 | 22 | 23 | 23 |
| VALVE RECESS | WITH | WITH | WITHOUT | WITHOUT |
| COMP.HEIGHT (mm) | 31.65 (OEM -3.35) |
31.65 (OEM -3.35) |
27.38 (OEM -6.0) |
27.38 (OEM -6.0) |
| PISTON DOME VOL. (cc) | -19.5 | -19.6 | -12.9 | |
| PISTON WEIGHT (g) | 328.7 | 335.1 | 305.1 | |
| PIN WEIGHT (g) | 121.5 | 125 | 133 | 117 |
| TOTAL WEIGHT (g) | 450.2 | 460.1 | 422.1 | |
| TOP RING (mm) | 1.20 x 3.05 | 1.20 x 2.95 | 1.20 x 3.05 | 1.00 x 3.30 |
| SECOND RING (mm) | 1.20 x 3.70 | 1.20 x 2.95 | 1.20 x 3.9 | 1.20 x 3.60 |
| OIL RING (mm) | 2.50 x 2.85 | 2.00 x 2.60 | 2.50 x 2.95 | 3.60 x 3.25 |
| MATERIAL | A4032 | A2618 | A4032 | A2618 |