Drag racing camshafts are designed for engines producing 1400+hp with 75mm-83mm turbos. A KVS273-BT valve spring upgrade is required. It is important to check Piston to Valve clearance as there may be interference with the OEM piston design. Kelford Cams removes the AVS Variable exhaust lift system and provides billet blanking plates.
- Tuning adjustments are necessary due to solenoid removal.
