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The HKS R‑Type oil cooler kit for S15 provides a dedicated solution to help manage oil temperatures under demanding conditions. Crafted as a vehicle‑specific cooling upgrade, it integrates with existing engine plumbing to improve thermal stability and help extend operating consistency during spirited driving or track use. The compact design suits tight engine bays while supporting reliable oil cooling performance.
HKS R Type O/C KIT S15 BLK
