A choice of 248 and 272 degree inlet and exhaust duration. Approx 8bhp to 12bhp gain. Please note these are precision regrinds.That simply means we need your camshafts before we will send you this item. The 272 degree duration cams would also benefit from a remap or similar.
Please also note that regrinds are NOT an inferior product! Piper has 40years of experience and are a world leader in camshaft design - its simply a way of offering better value of money for you!
Please also note that to fit this product you will need a set of piper shims (see pull down menu below) These will need to be machined for your engine on an individual basis, and it is advised that this is done by a competent precision machinist. Please contact us if you need any help or information regarding this.
Please note! The price includes BOTH inlet AND exhaust cams.
K11 Fast road
Powerband
Duation
Lift
Timing
Full lift
Lift at TDC
Valve Clearance
Inlet
1500-6800
248
8.77mm
14-54
110 deg ATDC
0.68mm
0.25mm
Exhaust
1500-6800
248
8.22mm
54-14
110 deg BTDC
0.63mm
0.30mm
K11 Ultimate road
Inlet
2500-7500
272
9.07mm
30-62
106 deg ATDC
1.80mm
0.25mm
Exhaust
2500-7500
272
9.02mm
62-30
106 deg BTDC
1.75mm
0.30mm
Availability
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