Engine Stud 5/16" UNC & UNF x 1-5/8" long. (Sold as a Set of Four) CHS2513-SetA

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Engine Stud 5/16" UNC & UNF x 1-5/8" long.   (Sold as a Set of Four)   CHS2513-SetA

Engine stud 5/16" UNC/UNF x 1-5/8" long. CHS2513

Many inlet and exhaust manifold applications on Classic Cars.

The UNC end screws into cylinder head. 

The UNC thread is 18tpi

The UNF end takes the Manifold nut at the other end.

MGA, MGB, Morris Minor, Mini, MG Midget (not 1500), Austin 1100, 1300, Morris Marina etc.

Mini Fuel Pump Studs  

Triumph TR3B TCF series, TR4, TR4A (4 synchro gearbox), bell housing to crankcase - top positions (TE505131)

Also used on screw-on oil filter housings for A-series engines