Smog Air Pump For Chevy/GMC R2500 R3500 V10 V20 V30 R10 R20 R30 V1500 V2500. Leakdown gauge tool hooks up to air compressor(prepare by yourself) can help to detect common engine faults such as worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets.

Adapter sizes: M14*1.25, M18*1.5, M10*1, M12*1.25
Box Color: The color of the box is random
Brand: BFO
Fitment: Fits for most gasoline engines with spark plugs(within 20mm)
Manufacturer Part Number: EKC1PB
Package included: 1PC double gauge maniflod, 1PC rubber hose, 2PCS metal adapters included, 2PCS universal push-on connectors, 2PCS threaded adapters, 1PC M14 extension rod, 1PC extension hose
Type: Cylinder Leak Down Tester Automotive Kit
Warranty: 2 Year