Super Turbo Racing 5W-40 is a fully synthetic oil HKS blends for small capacity direct injection turbo engines and for 2 litre units running a stock turbocharger, naming the K14C, 8NR-FTS, L15B, L15C, SR20DET, 4G63 and 4B11 among the intended applications. The additive package leans on magnesium in place of calcium, the detergent chemistry associated with low speed pre ignition in modern direct injection turbo engines. It is supplied in a sealed 4 litre container.
| Type | Fully synthetic engine oil, Super Turbo Racing series, SAE 5W-40 |
| Size | 4 L container |
| Quantity | 1 |
| Part Number | 52001-AK125 |
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