Used When Head Is Installed. Quickly Inserts through the Spark Plug Hole to Set a Degree Wheel.

Compression Gauge Test Set for Engine Cylinders Diagnostic Tester Check

For Use When Head Is Not Installed, GX120 to GX200, 6.5 Chinese OHVs

Quickly Tell When Your Engine Needs an Overhaul! Checks Ring Seals, Valves, and Even Head Gaskets.

Quick-Set Degree Wheel Kit

The Best Degree Wheel for Use on Flywheel Side

Affordable Self-Powered Timing Light That Eliminates the Difficulty of Setting Your Ignition Timing

Check for Bent or Leaking Valves, Bad Ring Seals, Even Leaking Head Gaskets

High-Quality Leakdown Tester for Accurate Results

Plastic Self-Powered Timing Light with Detachable Lead