4mm oil ring. These rings fit the current replacement pistons from AE Hepolite range 21250 and 21251 low drag slipper type with 8.1 cc dish and only piston 21251 is now available 8.8CR.

Rover piston TAM2048 stamped 21962 with ring sizes 1.50...

3mm OIL RING with compression ring size .0591" (1.5mm)and one piece oil ring .1181" (3mm)on p21253 pistons giving 9.7cr on 1275cc. 40 thou oversize

For performance see steel ring set with 3 piece oil ring as favoured by engine builders[link]...

You should replace the camshaft bearings every time the block goes to the machine shop. These bearings fit all late model 1275cc blocks (the ones without tappet covers on the back) It's almost too simple and thus often overlooked during a rebuild. Ca...

Set of +0.003" size 1275 crank thrust washers.

Race quality heavy duty double row performance endless timing chain. It is the best chain available and used by top engine builders, also fits MGB/Midget. This chain is for duplex gears that is used by racers as a limited stretch heavy duty version m...

Proper timing of the camshaft is very important and while it is easy and nice to do it with a precise adjustable cam sprocket it is also cheap to do it with offset cam keys. 1 or 2 degrees difference in cam timing can make a difference in performance...

SET OF STANDARD SIZE 1275 CRANK THRUST WASHERS

Block gasket set for all mpi cars (1997on).10 gaskets and 3 seals only

This expensive gasket set was Rovers answer to leaking A plus blocks on the MPI cars to save any warranty costs, using latest Klinger type gaskets where applicable to avo...

Water pump fitting kit for models without bypass facility, includes new bolts, washers and superseal gasket.

I gallon 20/50 classic oil with original look jug from the 60s