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I’ll be trying to hit that 600whp mark on a bnr s5 and big cams and a whole lot of methanol! Mazdaspeed3 Engine Build: Kelford 247-C2 272/278 Cams Kelford 84lb Beehive Valve spring and Titanium Retainers KVS17X-T Kelford DLC Coated Cam Buckets Supertech 35mm Nitride Intake Valves Supertech 30mm...