This is a Metric and American Socket Head stainless steel Allen Bolt Kit and fits the Upper Engine & Intake of the Camaro, Corvette, Impala SS, Caprice & Trans Am LT-1/ LT-4 Engines. This kit fits the top of the engine from the intake manifold up. The kit also includes Mil Spec Stainless AN flat washers which will fit in the tightest spots.
The Image shows some of the items in this kit.
The kit consists of Allen bolts for the following:
Top plate, Thermostat Housing, Fuel Rails, Throttle Body, Throttle Bracket, Intake to Heads, Map Sensor, EGR Stud Kit