Where did you get that price from? Any specs?
I've had a look at the Piper website
(
http://www.pipercams.co.uk/pipercams/ww ... BMWISBP270)
Power band: 1500-6000
Duration Inl & Exh: 264deg
Valve lift Inl & Exh: 10.16mm
Full lift: 110deg
Timing: 22/62 Inlet 62/22 Exhuast
And also Kent cams
(
http://www.kentcams.com/product-details ... Injection/)
Power Band: 2000-6500
Duration: 256 Deg Inlet/Exhaust
Valve Lift(mm) 10.36mm Inlet/Exhaust
Full lift: 110deg
Timing: 18/58 Inlet 58/18 Exhaust
Not sure how much the Kent cams are though.