5147-0540 GEAR DRIVE CAM KIT 509 SERIES GRIND CAMS FOR 99‑06 TWIN CAM (EXCEPT 06 DYNA GLIDE)

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Great low and mid-range torque
Lower lift allows them to be bolted into stock 96″-106″ 2006 engines with stock valve springs
Strongest from 1,000-4,500 rpm
180 psi cranking compression; no need for compression releases
Included Items: (2) Chain drive cams (1) front, (1) rear, (2) 22 x28.5 x12 Needle bearings, (1) Large O-ring, (2) Small O-rings, (1) Retaining ring, (1) 20 x 42x 12 Bearing, (1) 20 x 42 x12 Bearing w/O-ring, (1) 5/16″-18 x 3/4″ Flange hex head bolt, (1) Cam cover gasket, (1) 5ml Tube of loctite® 262, (1) 5ml Tube of loctite® 243, Instructions
Made in the U.S.A.
Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.Due to the inherent characteristics of gear drives, you may experience more valve train noise
If OES, 509 or 510C cams are used with the stock chain drive system in Twin Cam 88 engines, it is recommended to use cylinder heads with stock valve springs or performance valve springs with no more than 160 lb. of seat force. For more demanding applications, we recommend the Samp;S gear drive cams.

EXHAUST DURATION
237°

EXHAUST LIFT
0,509″

INTAKE DURATION
216°

INTAKE LIFT
0,509″

APPLICATION
Exhaust| Intake

EXHAUST CLOSE
11°

EXHAUST OPEN
46°

INTAKE CLOSE
18°

INTAKE OPEN
18°

TYPE
Gear

UNITS
Kit

PRODUCT NAME
Cam Kit

EXHAUST LIFT AT TDC
0,140″

GRIND
509 Series

EXHAUST LOBE CENTERLINE
107,5°

INTAKE LOBE CENTERLINE
90°

INTAKE LIFT AT TDC
0,174″

EXHAUST LIFT IMPERIAL
0.509″

INTAKE LIFT AT TDC IMPERIAL
0.174″

EXHAUST OPEN IMPERIAL
46°

EXHAUST LIFT AT TDC IMPERIAL
0.140″

INTAKE DURATION IMPERIAL
216°

INTAKE OPEN IMPERIAL
18°

INTAKE CLOSE IMPERIAL
18°

INTAKE LIFT IMPERIAL
0.509″

EXHAUST DURATION IMPERIAL
237°

EXHAUST CLOSE IMPERIAL
11°

EXHAUST LOBE CENTERLINE IMPERIAL
107.5°

INTAKE LOBE CENTERLINE IMPERIAL
90°