Test compression on all cars and trucks with petrol engines. Screw in adaptors with O-rings guarantee professional accuracy and a positive 100% seal. Supplied in blow mold storage box.

Includes:

  • 2.1/2" (65mm) Rubber insulated gauge with pressure release button and quick connect chuck.
  • Straight and bent push in type steel test adaptors fitted with tapered rubber cones.
  • 16" (405mm) Flexible hose with quick release coupling for attaching four screw in adaptors:
    • 4423N-10 (10mm x 1.0mm) Adaptor.
    • 4423N-12 (12mm x 1.25mm) Adaptor.
    • 4423N-14 (14mm x 1.25mm) Adaptor.
    • 4423N-18 (18mm x 1.5mm) Adaptor.
    • Dual Gauge Readings: 0 to 300psi (0 to 21bar).
    • Gauge Diameter: 2.1/2" (65mm).
Barcode # 9322159944235