CTA Tools 7090 Radiator Pressure Tester Adapter is designed to work with the CTA 7050 Radiator Pressure Test Kit and is also compatible with other brands, including Stant. The specific applications for this adapter are: Cadillac, Chevrolet, GEO, GMC, Hummer Oldsmobile, Pontiac and Saturn. This adapter features an all steel assembly with painted anodized aluminum outer sleeve. Heavy-duty, construction allows for strength and durability. Complete application chart available from the manufacturer. Whether tuning up your ‘68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.