Piper – Zetec Black Top High Lift Cams – BP320 – Race (ZFOC20-BP320)

Piper – Zetec blacktop high lift cams – BP320 – race.
Application:
Race.
Power band:
3000 – 8500.
Power increase:
Duration:
Inl – 288°.
Exh – 284°.
Valve lift:
Inl – 0.470″ / 11.94mm.
Exh – 0.443″ / 11.25mm.
Timing:
40-68 / 68-36.
Full lift:
Inl atdc – 104°.
Exh btdc – 106°.
Lift @ tdc with clearance:
Inl – 0.165″ / 4.19mm.
Exh – 0.137″ / 3.48mm.
Valve clearance:
0.01″ / 0.25mm.
0.012″ / 0.30mm.
Please note piper folST170 cam.
Followers must be used with this spec