This is a list of various wrench sizes for bolts and nuts on my 1995 Mustang. Hopefully it is handy for grabbing the right wrenches/sockets before you start a job.

Fastener	Size
EGR Tube to EGR and Header Nuts	1"
Throttle Bracket Bolts	10mm
Battery Cables	5/16"
Battery Holddown Bolt	5/16"
Distributor Holddown Bolt	1/2"
Fuel Line Couplings	(Spring-Loc) 1/2" and 5/8"
Spark Plugs	5/8"
Spark Plug Socket Wrench	3/4"
Crankshaft Bolt (Dampener)	15/16"
Lug Nuts	13/16"
Kenne Bell Blower Bolts	1/4" Hex
Kenne Bell Blower Stud Nuts	1/2"
Thermostat Housing Bolts	1/2"
Valve cover Bolts	7/16"
Intake Manifold Bolts	1/2"
Accessory Bracket to Head Bolts - Driver Side	9/16" and 5/8"
Accessory Bracket to Head Bolts - Passenger Side - Center Bolt	5/8"
Accessory Bracket to Head Bolts - Passenger Side - Other Bolts	1/2"
Air Pump Hose Clamps	5/16"
Alternator Top Bolt	1/2"
Alternator Bottom Bolt	15mm
Header Bolts	7/16"
Air Tube to Back of Head Bolts	1/2"
Head Bolts	1/2"
Oil Pan Drain Plugs	5/8"
Oil Pan Bolts	7/16" and 1/2" (?)
Belt Tensioner Center Bolt	T-50 Torx
Air Pump Bolt	1/2"
Air Pump Pulley Bolts	5/16"
Alternator Main Wire Nut	10mm
Alternator Electronics Module	T-15 Torx
Header to H Pipe Nuts	5/8"
Oxygen Sensors	7/8"
Fuel Injector Harness Bolt	10mm
Hood Hinge Bolts	7/16"