Meets all GM standards. Kit includes four 11/16"ID hose clamp ends for fuel or vacuum hose; two 1"ID hose clamp ends for small heater hose; two 1-1/16"ID hose clamp ends for large heater hose; two 1-3/4"ID hose clamp ends for upper radiator hose; two 1-7/8"ID hose clamp ends for lower radiator hose; 8 shrinkable tubes for vacuum hoses or wiring.