Valve Spring
| Free length (reference) | mm (in) | Intake | Standard | 44.55 (1.7539) | |
| Exhaust | Standard | 42.03 (1.6547) | |||
| Tension/spring height | N (kgf, lbf)/mm (in) | Set | Intake | Standard | 182 - 210 (18.56 - 21.41, 40.92 -47.21)/36.2 (1.4252) |
| Exhaust | Standard | 182 - 210 (18.56 - 21.41, 40.92 -47.21)/34.2 (1.3465) |
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| Lift | Intake | Standard | 514 - 568 (52.41 - 57.92, 115.57 -127.71)/25.21 (0.9925) (2023 Only) 521 - 575 (53.13 - 58.63, 117.13 -129.27)/25.07 (0.9870) (2022 Only) |
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| Exhaust | Standard | 504 - 558 (51.39 - 56.90, 113.32 -125.46)/24.30 (0.9567) (2023 Only) 513 - 567 (52.31 - 57.82, 115.33 - 124.47)/24.13 (0.9500) (2022 Only) |
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| Squareness | Intake | Standard | 2.5°, 1.9 mm (0.0748 in) or less | ||
| Exhaust | Standard | 2.5°, 1.8 mm (0.0709 in) or less | |||