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 ADU3490-00. Sold singly,4 per engine required

Steel ring set, 3 compression ring @ 0.625" oil ring 0.125 as per original 998 pre A plus and 1098cc versions inc morris minor and sprite range.

These Swiftune die cast performance pistons are part of their new Heritage range and are manufactured by global leading F1 German piston manufacturer Mahle. These pistons have been developed using their 50 plus years of experience. Glyn Swift was usi...

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...

998cc flat top 3 ring circlip type piston set as fitted to early A plus to replace 4 ring set type. Gave 10.3 to1 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 1980o...

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...

Low drag 1275 piston standard size 2.780 plus 20 thou oversize(Rings included).

This piston has a possible compression ratio of 10.3:1 as fitted to Cooper RSP 1990.

The best performance 1275 pistons are C-STN100 range which have 9.7...

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 ADU3490-00. Sold singly,4 per engine required

3 compression ring @ 0.625" and single one piece oil ring 0.125 as per original 998 pre A plus and 1098cc versions inc morris minor and sprite range. Also available is a high grade ring set c-STN99-20 with 3 piece oil ring

Low drag 1275 piston standard size 2.780 plus 40 thou oversize(Rings included).

This piston has a possible compression ratio of 10.3:1 as fitted to Cooper RSP 1990.Engine then becomes 1310cc

Current pistons differ from the 60s origi...

Replace with new camshaft,it's almost too easy to overlook during a rebuild. Camshaft bearings are pressed into the block and thus are usually done by a machine shop. You would not rebuild an engine without replacing the rod bearings, so why not the ...