All 850 minis and early 998cc engines used the HS2 carb. These are new and have an extra emmission tube on the body which can be blanked off,unless you have an emmission type side plate,or front timing cover. Supplied with AAV needle

Genuine Mini Spares Performance Copper/steel head gasket.

Based on the original AF460 pre 2000 design plus the old Payen Special tuning C-AHT188 with superior sealing rings.

With modern day technology and NON asbestos l...

1.259" (32.00) dia x 3.57 long Exhaust valve.


Our race valves are produced in EN214N steel. They are stellite tipped and use the later narrow, single collet groove and current valve head shapes.Heat treated to eradicate wear from unleade...

998cc dished circlip type piston with 4 rings answer. Compression range of 8.3 to 9:1 depending on block and head but for best performance use later 3 ring flat top piston ADU3490-40. Sold singly,4 per engine required

1.59MM (0.625")COMPRESSION RINGS 3.175mm (1/8")single oil control ring.

also available is a high grade ring set C-STN99-60with 3 piece oil ring

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. 60 thou oversize



Rover piston were stamped 21963 for high compression but 21962 seems to be stampe...

Anodised in red for that different look.

0.625"(1.59mm)compression ring and 1/8"(3.175mm) single one piece oil control ring.

Also available is a high grade ring set C-STN99-40 with 3 piece oil ringfor these pre 1979 type pistons

A must if you want to run a mechanical oil gauge and retain the oil warning switch. Screws straight into the block on all A series engines.

This piston for 1098cc engines was designed with 4 rings. The top three compression rings are .0625" thick and the bottom oil ring is .1575" thick. Pin height in this piston design is 2.2855", this results in a compression of 8.5:1 in most standard ...