Page 367 - Q2 2026 Stephenson Equipment Catalogue

ENGINE / TRANSMISSION / FUEL SYSTEM

Spark Plug & Glow Plug Tools Spark Testers

LIS-65700 $217 45
Broken Spark Plug Remover Kit
for Ford Triton 3 Valve Engines 05
• Includes the popular broken plug tip LIS-20700 $43
remover plus porcelain puller and Coil-On-Plug Spark Tester
pusher tools • Applications include
Ford, Chrysler, Mitsubishi,
Nissan and more
LIS-65600 $166 85
Broken Spark Plug Remover for
Ford Triton 3 Valve Engines
• This tool set removes broken spark plugs from LIS-20610 $23 95
2004 to 2008 Triton 3 valve per cylinder engines
In-Line Spark Tester
• Quickly diagnose problems with
all ignition systems
GWR-3293D $5 85 • Double-ended tool offers a straight boot and a 90° boot
• With the engine running, the tool flashes a
Spark Plug Gap Gauge mirror image of ignition spark
• Measures from 0.020" to 0.100"
(0.635mm to 1.143mm)
In-Line Ignition
Spark Checker
Item # Boot 23900
GWR-161D $15 85 SGT-23900 Straight $16.95
Deluxe Feeler Gauge, 32 Blades SGT-23920 90° $20.75 23920
• Measures clearances from 0.0015" to 0.035"
(0.038mm to 0.889mm)
• Blade size: 3-5/16" x 1/2"
• 0.010" brass blade for electronic ignitions
SGT-23970 $42 75
316A In-Line Spark Checker Kit
36A for Recessed Plugs
• Can also be used to test conventional
and coil-on plug ignition systems

343A
Feeler Gauges 12025 Flywheel Tools
• For ignition and general
purpose measuring
Item # Description Blade Size Range LIS-22100 $82 65
Size
16-Blade 45° Offset Flywheel Holder and
LAN-316A Valve Tappet Feeler Gauge 4" x 1/2" .005 to .020 $11.55 36mm 12 Point Socket
LAN-343A 25-Blade Metric Feeler Gauge 4" x 1/2" .04 to 1mm $16.05 for Duramax
• Locks flywheel in place when removing
32-Blade Feeler Gauge – One brass
LAN-36A blade for transistorized engines 3" x 1/2" .0015 to .035 $16.15 harmonic balancer on 6.6L Duramax engines
with Allison automatic transmissions
LAN-12025 25-Blade Feeler Gauge 12" x 1/2" .0015 to .040 $55.25
CTA-1049 $479 75
GM Flywheel Holder
LAN-3079 $133 25 • Securely holds the flywheel for servicing the
balancer and flywheel bolts
Master Feeler Gauge • Essential for achieving the required 150 lb-ft +180°
Set for HD Truck torque specification
Valve Adjustment • Installs in place of the starter and engages flywheel ring
• Includes: gear teeth for a secure hold
#3074 Generic, • Services: ATS, Camaro, CT6, and more with LD4, LTG, LKW,
#3072 Cummins Diesel, or LCV engines
#3075 Detroit Diesel • Compares to factory tool #EN-51760

July – September 2026 | 367