Kelford Camshaft 272°-268°/268° | 11.30mm-10.50mm/10.50mm Dual AVCS EJ257 Subaru STI 04-21 J257B High lift 272° racing camshafts suitable for most motorsport applications. Suits a well built competition EJ257 engine running 58-66mm turbo. Great with E85 fuel. Requires cylinder head modification to fit high lift cam lobes. Kelford Cams recommend valve spring upgrade KVS1847-BT.
 
Add KVS1847-BT | EJ20 / EJ25 Springs +$479 Ovate wire ‘PACALOY’ Beehive spring wound in USA by PAC. Nano-peen and gold nitride surface finishing treatments for superior endurance. High spring frequency to allow for better spring surge control at high rpm. Increased seat pressure, low open pressure design. Designed specifically for the Subaru EJ flat four boxer engine.
 
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