S&S Cycle Oil Pump for T-Series Engines and Harley-Davidson Twin Cam 88 Engines, Including Standard and Easy Start Camshafts - Manual (Page 2)

Be sure that you disconnect the negative battery cable before doing any work on your motorcycle. This will prevent it from accidentally
starting during the installation.
NOTE: You will need to remove the pushrods and lifters and any of the oil pump components in your cases before starting the installation procedure.
The first step is to inspect the existing needle bearings and ensure they look and feel okay. They should roll freely and feel smooth with no excessive
play. Make sure that you clean the S&S® oil pump parts and crankcase gasket surface before starting. See picture 1.
Check the cam lobe to case clearance - especially in stock cases - to make sure there will be no interference. S&S® recommends a minimum of .060"
clearance between the lobe and the case. See picture 2. Be advised that installing a significantly larger cam than stock may also result in a clearance
issue between the rocker arm and rocker box - be sure to check this area before starting the motorcycle. Refer to Charts 1 and 2, next page for more
fitment information.
Picture 1 Picture 2
CAUTION
Chart 1
S&S® Gear Drive Camshaft for S&S Oil Pump for Applications
Cam
Name
Lobe
Timing
Duration Lift Centerline TDC Lift
99-04
Models
Works with
stock valve
springs
05-UP
Models
Works with
stock valve
springs
Works
with stock
pushrods
Open Close
475
Int 2° 34° 216°
0.475"
106° .060"
X X X
Exh 36° 4° 220° 106° .060"
509
Int 18° 18° 216°
0.509"
90° .0174"
X X X
Exh 46° 11° 237° 107.5° 0.140"
510E
Int 20° 38° 238°
0.510"
99° 0.187"
X X X
Exh 52° 20° 252° 106° 0.179"
570E
Int 20° 40° 240°
0.570"
100° 0.187"
X X
Exh 55° 20° 255° 107.5° 0.179"
585E
Int 20° 45° 245°
0.585"
102.5° 0.186"
X X
Exh 60° 20° 260° 110° 0.179"
625E
Int 20° 55° 255°
0.625"
107.5° 0.189"
Exh 60° 20° 260° 110° 0.184"
640E
Int 25° 60° 265°
0.640"
107.5° 0.228"
Exh 65° 25° 270° 110° 0.214"
675E
Int 25° 60° 269°
0.675"
109.5° 0.235''
Exh 74° 25° 275° 112.5° 0.205"