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 - from the outside - when your engine needs an overhaul! Checks ring seals, valves, even head gaskets.

Check for bent or leaking valves, bad ring seal, even leaking head gaskets .

Best Degree wheel for use on Flywheel side.

Affordable self-powered timing light eliminates the difficulty of setting your ignition timing.

Quick-Set Degree Wheel Kit. The arbor shaft slips over the PTO and uses a slip-clutch

High Quality Leak Down Tester for accurate results

Timing Light, Self-Powered, Detachable Lead, Plastic, Requires 6 AAA-Cell Batteries,