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This cam will work best if you have a stock or a smaller performance turbo. Because of the conservative exhaust profile, it does not spool large turbos as well as the 188-220, but it is slightly better for fuel efficiency. For best results, use with a 64mm or smaller turbo, small performance injectors. Install with the intake on a 99 centerlline. If over 50 lbs. of boost, you must upgrade valve springs.
It is a "drop in" cam if you have no more than .018" piston protrusion and no less than .038" valve face depth on a 24v, and no less than .055" valve face depth on a 12v with a 99 intake centerline.