290°/274° | 10.60mm/9.90mm
290°/274° shim over bucket turbo cams for improved mid-high rpm power in tuned N/A engines. Great for rally and circuit racing. Must have free flowing intake and exhaust upgrades. Suits higher compression ratio. Will pull to around 9k-9.5k rpm depending on engine. Kelford Cams recommend KVS109-3S valve spring.
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