Fitted to the rear of engine blocks to drain out water these are now obsolete from Rover but available from us.1/4"bsp
The 8 port head is taller than standard A series heads so these MGB short head studs are used on the front--4 3/8" long 3/8" UNC stud with unf end for head nut. These studs are also used for rod change gearbox differential housings.
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Engine stabiliser arm to block bolt. This is the longer bolt that fits the engine stabiliser rod to the cylinder block.
This A type block 3/8" unc
stud to retain the cylinder head is 11/16"(17.3mm) longer than the standard 4" type with 1.5" of thread to hold brackets for other ancillaries such as coil. Usually fitted only at the heater tap end of the cylinde...
Using new hardware makes any job more pleasant. If you're servicing your cylinder head you should examine the rocker studs for signs of stretching or stripped threads. Two long (51K885) and two short (51K1473) per head.
This is ...
Steel center main strap for small bore engines, comes with longer high tensile bolts. The Main bearing top cap will need machining flat, no other modifications required. Engine bolt hole centres all slightly vary from 2.775" to 2.785" - some 0.010" o...
The special washer under the tappet cover bolt.Sold singly 2 required per engine.
See 12A1176 for seal
Special bolt that fits the engine front plate to support the adjusting link for alternators/dynamo
Special "S" main bearings nut set (6).7/16"AF thread
On all performance A series engines it is essential to ensure accurate and as near permanent location of the centre main bearing of the crankshaft as possible. Flexing allowed here, especi...
You require 5 of these high tensile short head studs and they torque to 42lb/ft. See also complete kit which includes these top grade studs C-AHT279. 3/8"unc stud with unf end for head nut and is 4" long. See other long head stud [link]C...
The high tensile bolts supplied with the 998 centre main strap kit.
A series mini engine crank pulley bolts have been known to come loose, caused by pulley damper vibration on competition engines. This is a high tensile longer extended thread cap head bolt with thick washer to rectify this problem and also allow furt...
later cars used this bolt to hold on the spin on filter head to the block-earlier cars used the CHS2613 stud--both are interchangeable
3/8"unc 1"long