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. 20 thou oversize

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

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. std ring size

For performance see steel ring set with 3 piece oil ring as favoured by engine builders[link]C1...

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...

60 thou oversize low drag slipper type pistons for modern day compression ratios and unleaded fuel.

Typically installation will result in a minimum 8.8:1 compression ratio but on some Metro versions it was higher.

Current pistons ...

This rebore size has not been about for many years but is a favourite with motorsport participants looking for extra power. Now required by customers to get that last bore size out of their blocks.

Owing to non-availability of other good qua...

Owing to non-availability of other good quality 998cc pistons, these Mini Spares Evolution design pistons from a renowned high-performance piston manufacturer are flat top with drilled oil drain-back holes rather than slots behind the rings for maxim...

This piston for 1098cc engines was designed with 4 rings. The top three compression rings are .0625" thick and the bottom oil ring is .1249" thick. Pin height in this piston design is 2.2855", this results in a compression of 8.5:1 in most standard ...

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 ...

Steel ring set with 3 piece oil rings as preferred by engine builders for P21253 pistons.

998cc flat top 3 ring circlip type piston set as fitted to early A plus to replace 4 ring set type. Gave 10.3 to 1 CR and is a good alternative to use on any 998 with circlip type pistons. Replaced 4 ring (3 ring and scraper) P20754 from Hepolite 198...