Page 62 - Longacre 2017 Catalog

Digital Air Density Gauge

Keep Your Motor Running At Its Peak
• Accurate electronic Air Density measurement with easy-to-read
digital display.
• Shows your baseline so you don't forget.
• A red LED flashes to let you know if you need to change
jets (air density has changed since baseline).
• Also displays current temp and barometric pressure.
#50887 ........................................$172.95
Air density or RAD (relative air density) is used as a
valuable tuning tool to keep your jetting at its optimum.
To use this gauge get a box of spark plugs and work on
your jetting, reading the plugs as you go. When you get
the motor just where you want it, record the air density by
Temperature pushing the ON button and holding for 3 seconds.
and barometric Later – this could be later today, tomorrow, next week,
pressure or next month – if the air density changes – and it will –
you will instantly know how much to re-jet to keep that
peak performance.
Baseline air
Comes with density and A good rule-of-thumb for a Holley® carb is one jet size for
Silver case difference each 3% change in air density.

Oil Filter Cutter

Billet
Aluminum
Coil-Over
Wrench Cut your old
Billet Aluminum filter open to
• Billet aluminum keeps coil-overs undamaged spot problems
before they
• Replaceable stainless steel pin cost you an
• Comfortable handle with rounded edges makes adjustments easy engine
#22589 ........................................................................... $39.90

Longacre®
Track
Mat

Thicker, High Density
Padding For More Comfort
Other track mats use foam that is too soft (it's cheaper!) and a vinyl covering that
won't stand up to years of use (it's cheaper too!!!). Longacre's Track Mat is more
comfortable to use and will last and last.
• Makes work under the car comfortable (if not fun!) • Billet anodized aluminum, ball bearings
• Folds up for easy storage, thick vinyl for durability • CUTS SMALLER FILTERS TOO – from 2 ⅜” – 5” in
• Dirt and oil resistant for quick clean-up diameter
#11175 .................................................$26.95 #77750 ...................................................................$69.95
62 #11180 Set of 2 track mats ...............$46.95