Rocker box oil mount for Oil Pressure Gauge
This part comes with bracket, gauge cup and oil pressure gauge,
you will need to
supply your own plumbing
Marlin’s Liquid Filled Pressure Gauges
Marlin’s 1/8 NPT
rear mount liquid filled oil pressure gauges are premium quality.
Available in 0-60 or 0-100 PSI
Gauges available in a white face or black face.
The gauge housing I 9/16" the face is 1 3/8".
We made the numbers larger so you can see them without squinting.
LIQUID-FILLED OIL PRESSURE GAUGE KIT
of oil pressure while riding.
Reduces costly engine repairs and downtime.
Won't interfere with warning light function.
Marlin’s 1/8 NPT rear mount liquid filled oil
pressure gauges are available in 0-60 or
0-100 PSI in white face or black face.
•Won't interfere with warning light function.
•Large, clear numbers for faster, easier reading.
•Gauge housing is 1 9/16" the face is 1 3/8"
Gauge and face are filled with liquid glycerin
to dampen "soften" vibration and
needle fluctuations (also extends gauge life).
Air bubble in face in NORMAL
and needs to
be there for gauge to work properly.
(liquid may be replaced if loss occurs, use only
Marlin approved glycerin - do not overfill,
leave a bubble about the size of a penny).
Gauge is calibrated 0 to 60 or 0 to 100 by
tens in 2-lb. increments.
For plastic lens clean with a good car wax or
plastic cleaner. good glass cleaner.
•Use Teflon tape on all threads, careful not to
cover hole used for pressure reading.
•Use wrench at base of unit to tighten - gently
as needed - do not hold by gauge to tighten.
•Start motor and check for leaks.
These premium quality gauges fit our rocker
box head temperature kits used on Twin Cam
and Evolution style motors.
Please call or visit our web site for details
• Rubber fill plug is replaceable if needed.