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RACE CAM   Z50R_1982_to_91  1982_&_83_C70 PASSPORT_82/83 1982_CT70 (OEM_HEADS_ONLY)  (200138)

THIS IS AS BIG OF CAM AS WILL FIT IN THE OLD TYPE HEADS

IT HAS SOME LIFT OVER THE STOCK CAM, BUT TONS OF DURATION

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THIS IS THE MOST RADICAL CAM MADE FOR THE OLD TYPE HONDA HEADS

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THIS CAM HAS 6MM OF LIFT.

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Camshaft Calculations - Lobe Center / Duration AT .050" VALVE LASH

THE VALVE LASH IS MORE FOR CARS AND REALLY DON'T GIVE A

TRUE CYCLE READING,, BUT THATS JUST HOW IT'S DONE.

THE LASH IS ONLY .0025" ON THE BIKES COMPAIRED TO .050" ???

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THIS CAM has an Overlap of 40.00 degrees and has an

Intake Duration of 255.00 degrees. The Exhaust Duration is

265.00 degrees. The Inlet Cam has an Installed Centerline

of 102.50 degrees ATDC. The exhaust cam has an Installed

Centerline of 117.50 degrees BTDC.

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LIFT IS 6MM, so YOU SHOULD PROBABLY ASLO GET THE 200149 VALVE SPRINGS LISTED BELOW

200138$27.95

HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) ALSO WORK TO REPLACE STOCK 50 AND 70 STOCK SPRINGS AND ADD SOME MORE TENSION

HEAVY_DUTY VALVE_SPRINGS WITH_WIDER COIL_SPACING FOR_HI_LIFT_CAMS IN_50_70_HEADS (GREAT_STOCK_REPLACMENT) (200149) 200149$12.99