Pistons & Rings

Original AE liner as used by BMC/Rover to restore worn or damaged block. Also known as a sleeve, this fits cylinders in all 1275 motors. Sold each. Machining required to

Four-piston set of rings for four-ring 20950/20397/20398 pistons, as typically found in pre-A+ 998cc and 1098cc engines.

Piston ring set for one (1) individaul piston. Genuine rings for popular AE 21253 classic Mini Cooper S replacement piston or A+ 21962 piston.

Genuine AE piston ring set for one (1) 20659KR 73.5mm 1380cc piston. Ring sizes: 1.5mm, 1.5mm and 4.00mm.

Set of three piston rings to fit one aftermarket 20950E flat top 998 piston.

Full piston ring set for 73.5mm 1380 Omega or C-STR311 pistons; top rings are 1.2mm.

Ring set for one 1380cc 73.5mm C-STR310 ''Mega'' piston; includes one (1) 1.2mm top ring and one (1) 1.5mm second ring.

Total Seal Piston ring set to fit JE 1275cc + 040. Bore size 2.820, ring thicknesses are 1.2mm, 1.2mm, 2.8mm.

Single piston ring set for 22463 A+ 998 3-ring pistons. For standard, top two rings are 1.49 mm, oil ring is 3.0 mm. Order 4 for a complete set.

Genuine AE-made ring sets to fit Omega and Mini Spares ''Mega'' pistons.

Genuine AE ring set for common AE 21251 and far less common AE 21250 pistons. Sold as a set of three rings for one piston.

Original AE (now Goetze) ring sets for 20754 and 20773 replacement pistons, as typically found in 998cc A+ engines.

Economical 1275 pistons for road-spec engine rebuilds. Available in selected sizes; sold by the set of 4.

Set of four (4) 1275 pistons for high-performance applications; includes lightweight wrist pins and top-quality rings. Dish size 6.5cc.

These purpose-made ''big-bore'' AE Hepolite pistons are ideal for adding displacement and torque to your A-series. Modern 3-ring design, dish-top, rings and pins included.

Set of four (4) pistons for the Mini 850. Rings, pins and circlips included.

These 4-ring dish-top pistons give a 8.3 compression ratio; for A-Series or A+ engines; Includes piston rings, wrist pins, and circlips.

These 3-ring flat-top pistons give a 9.7 compression ratio for improved performance, for use on A-series or A+ engines.

Made by a name-brand piston manufacturer, and are the perfect start for a road-going high-torque classic Mini engine.

AE dish-top 3-ring piston for road spec 1275 engines. 1.4689'' compression height. Equivalent to Spridget, Austin America and 1275GT piston. Sold each.

High compression, dish-top 3-ring 1275cc piston from OEM supplier. Ideal for Cooper S-spec 1275cc road engines

New design "Evo" 73mm piston for 1362cc big-bore engine conversion. Due to the increasing scarcity of 1300cc A and A+ series blocks, using a 73mm piston as the first

73.5mm ''big bore'' piston with 7cc dish. Manufactured in the UK in special double heat-treated aluminum, and features an anti-friction design, modern ring pack, and tapered wrist pin.

998 flat top piston, 3-ring, circlip type. Piston is marked 20528, Rover part number ADU3490. +.020 oversize, two only.

Genuine AE/Federal Mogul/Nural 998cc 3-ring flat-top pistons giving 10.3 compression.

Set of 1275 +040 piston rings, made by JE. Ring sizes are 1.2mm. 1.5mm, and 3mm.