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CHEMICALS
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EYEWEAR
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PROMOTIONAL
REFERENCE
INDEX
357
BILLET TWIN CAM SUPPORT PLATE
Year
WPS#
List
‘70-99
811-12030
$422.95
WPS#
List
811-12014
$384.95
• Improves efficiency and the life of any Harley-Davidson Twin Cam 88
engine valve train, hot or stock
• Eliminates flexing under heavy loads caused by cam and valve springs
• The oil passage has been optimized to improve the efficiency of the entire
oiling system
• Uses NPT pipe plugs to cap off its oil passage instead of the pressed in
ball bearing for more positive seal
• Uses stock mounting hardware
• Fits ‘99-06 Big Twin models (except ‘06 Dyna)
SHOVEL / EVO OIL PUMP
Fully assembled body and cover are machined from 6061-T6 billet
aluminum. Shafts are stock Harley-Davidson
®
.
BILLET OIL PUMPS
Description
Application
WPS#
List
Polished High Volume Oil Pump Big Twin 36-72
820-50101
$249.95
Polished High Volume Oil Pump Big Twin 73-91
820-50102
267.95
Polished High Volume Oil Pump Big Twin 92-99
820-50103
267.95
Harddrive oil pumps are made from cast aluminum that is
CNC machined to close tolerances and then polished to a
high gloss finish. Great value for small dollars! Surplus oil
is routed back to the main passage rather than the return
to avoid unnecessary filtering and offer the opportunity to
upgrade earlier engines to the 81-up oiling system. This
oiling system splits bottom and top end oil supply which
increases oil pressure to the hydraulic lifters and and top
end. They come with gaskets, drive shaft with with keys
and snap ring, mounting hardware, check ball and pressure
relief valve assemblies.
Description
Application OEM#
WPS# List
A Chrome plated polished Allen oil pump check
valve/tappet oil screen.relief valve plug
‘81-Up Big Twin 26263-80
830-1102
$10.95
B Tappet oil screen and spring
‘70-99 Big Twin 24981-70 and
24982-70
830-1104
9.95
A
B
OIL PUMP PLUGS
• Made in the USA!
• Meets or exceeds OEM specifications
ENGINE