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T: (800) 992-7007

P: (530) 886-0771

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Keeping classic Minis on the road since 1974

(800) 992-7007 | (530) 886-0771

Engine pistons and rings for use in the classic Mini, Mini Cooper, and variants.

Products 1-26 of 26
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Cylinder Liner, 1275, AE (AEG0428)
Price: $83.95
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2/19/2021 2:00:00 AM 84.9500
Pending Warehouse Check
Item #: AEG0428 -

    Original AE liner as used by BMC/Rover to restore worn or damaged block; fits cylinders in all 1275cc motors. Ref: AEG428, SU3598, AEG0428.

    Piston Ring Set, 850cc, for 15037 Pistons (R8577)
    Price: $136.50
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    12/22/2022 12:00:00 AM
    Special Order
    Item #: R8577 -

      Set of piston rings for 5-ring 850cc pistons. Ref: R8577-STD, R8577-020, R8577-040, R8577-060.

      Piston Ring Set, 998 A+ (R43240)
      Price: $183.95
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      1/18/2024 12:00:00 AM
      Pending Warehouse Check
      Item #: R43240 -

        Full four-piston ring set for 22463 A+ 998 3-ring pistons. Ref: R43240, R43240-40.

        Piston Ring Set, 998/1098 pre-A+ (R32026)
        Price: $104.95
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        Special Order
        Item #: R32026 -

          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, AE/Goetze, for 21253 or 21962 pistons (R41570)
          Price: $159.95
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          8/5/2018 2:00:00 AM 29.5000
          1/18/2024 12:00:00 AM
          Pending Warehouse Check
          Item #: R41570 -

            Full four-piston ring set for AE 21253 classic Mini Cooper S replacement piston or A+ 21962 piston. Ref: R41570, R41570-20, R41570-40, R41570-60, R41570-00.

            Piston Ring Set, for 21250-21251 pistons (R35960)
            Price: $129.95
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            1/11/2024 12:00:00 AM
            Pending Warehouse Check
            Item #: R35960 -

              Genuine AE ring set for common AE 21251 and far less common AE 21250 pistons. Ref: R35960.

              Piston Ring Set, for one 20659 1380 Piston
              Sale!
              Price: $38.50
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              4/19/2018 12:00:00 AM
              Special Order
              Item #: R39390-STD -

                Genuine AE piston ring set for one (1) 20659KR 73.5mm 1380cc piston. Ref: R39390 STD, R39390-00, 08-526600-00.

                Piston Ring Set, for one 20950E 998 Piston (G1240B-1)
                Price: $31.50
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                7/16/2019 12:00:00 AM
                Pending Warehouse Check
                Item #: G1240B-1 -

                  Set of three piston rings to fit one aftermarket 20950E flat top 998 piston. Ref: G1240B-1, G1240B-1/040.

                  Piston Ring Set, One 1380 Mega (08-423600-00)
                  Price: $36.95
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                  Pending Warehouse Check
                  Item #: 08-423600-00 -

                    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. Ref: 08-423600-00.

                    Piston Rings, AE/Goetze, for one 21253 or 21962 piston (08-524XYZ-00)
                    Price: $41.95
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                    8/5/2018 2:00:00 AM 29.5000
                    Pending Warehouse Check
                    Item #: 08-524XYZ-00 -

                      Piston rings for one (1) individual piston; fits AE 21253 classic Mini Cooper S replacement piston or A+ 21962 piston. Ref: 08-524100-00, 08-524107-00, 08-524111-00, 08-524114-00.

                      Piston Rings, One 21250-21251 piston (08-521XYZ-00)
                      Price: $33.50
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                      Pending Warehouse Check
                      Item #: 08-521XYZ-00 -

                        Genuine AE ring set for common AE 21251 and far less common AE 21250 pistons. Ref: 08-521711-00, 08-521714-00, 08-521700-00, 08-521707-00, R35960.

                        Piston Rings, One Piston, 20754, 20773 (R33636)
                        Price: $31.50
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                        Pending Warehouse Check
                        Item #: R33636 -

                          Piston rings for the standard 20754 and 20773 replacement pistons, as typically found in classic Mini 998cc A+ engines. Ref: R33636, R33636-00.

                          Piston Set, 1275cc (21251E)
                          Price: $292.95
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                          Pending Warehouse Check
                          Item #: 21251E -

                            Economical 1275 pistons for road-spec engine rebuilds. Sold per set of 4. Ref: 21251, CP725, CP725K.

                            Piston Set, 1275cc, Offset Dish
                            Price: $577.50
                            View
                            3/13/2019 2:00:00 AM
                            Special Order
                            Item #: C-STN103-040 -

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

                              Piston Set, 850cc (15037)
                              Price: $314.95
                              View
                              8/24/2021 2:00:00 AM
                              Pending Warehouse Check
                              Item #: 15037 -

                                Set of four (4) pistons for the Mini 850. Rings, pins and circlips included. Ref: 15037, CP301K.

                                Piston Set, 998 Flat Top (20950E)
                                Price: $377.95
                                View
                                12/21/2018 12:00:00 AM
                                Pending Warehouse Check
                                Item #: 20950E -

                                  3-ring flat-top pistons for use on A-series or A+ engines. Ref: 20950, CP398, ADU3490.

                                  Piston, 1275 Offset Dish, High Performance (C-STN100)
                                  Price: $144.95
                                  View
                                  11/26/2019 2:00:00 AM
                                  Special Order
                                  Item #: C-STN100 -

                                    Lightweight die-cast piston for 1275cc A-series and A+ engines, featuring a 6.5cc offset dish. Ref: C-STN100, C-STN100-20, C-STN100-40, C-STN100-60.

                                    Piston, 1275cc, AE/Nural, 8.8:1 CR (21251)
                                    Price: $99.95
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                                    Pending Warehouse Check
                                    Item #: 21251 -

                                      AE dish-top 3-ring piston for road-spec 1275 engines. Equivalent to Spridget, Austin America and 1275GT piston. Ref: P21251, 21251.

                                       Piston, 1275cc, AE/Nural, 9.75 CR, Cooper S (21253)
                                      Price: $125.95
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                                      Pending Warehouse Check
                                      Item #: 21253 -

                                        High compression, OEM dish-top 3-ring 1275cc piston; ideal for classic Mini Cooper S-spec road engines. Ref: 21253, 21253 020, 21253 040, 21253 060, 21253 STD, P21253, P21253-20, P21253-40, P21253-60, P21253-00.

                                        Piston, 1380cc, 73.5mm, Each (20659KR)
                                        Price: $254.95
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                                        Pending Warehouse Check
                                        Item #: 20659KR -

                                          Purpose-made ''big-bore'' AE Hepolite pistons, ideal for adding displacement and torque to your A-series engine. Ref: 20659KR, P20659-00, 87-526600-00.

                                          Piston, 1380cc, AE Mega, 7cc dish top (C-STR310)
                                          Price: $152.50
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                                          Pending Warehouse Check
                                          Item #: C-STR310 -

                                            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.

                                            Piston, 998, 20528, +.020 (ADU3490 020)
                                            Price: $93.50
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                                            Pending Warehouse Check
                                            Item #: ADU3490-020 -

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

                                              Piston, 998, Flat Top 3-ring
                                              Price: $94.50
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                                              Pending Warehouse Check
                                              Item #: 22463 -

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

                                                Piston, 998, Dish Top, AE (20773)
                                                Price: $205.95
                                                View
                                                10/12/2018 12:00:00 AM 139.9500
                                                Pending Warehouse Check
                                                Item #: 20773 -

                                                  AE 4-ring piston for road 998 applications; includes rings and pins. Ref: 20773, 20773-60.

                                                  Piston, Big Bore, 1380cc, 73.5mm (C-STR311)
                                                  Sale: $127.46
                                                  View
                                                  Pending Warehouse Check
                                                  Item #: C-STR311 -
                                                  • OVERSTOCK

                                                  Alloy Evolution piston with 9cc dish, the perfect start for a road-going high-torque classic Mini engine. Ref: C-STR311.

                                                  Ring Set JE 1275 +040 1.2 1.5 3.0
                                                  Price: $104.95
                                                  View
                                                  1/22/2021 12:00:00 AM 120.0000
                                                  MADEINUSATAG||
                                                  Pending Warehouse Check
                                                  Item #: JE1275-RING -

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

                                                    Questions? Email parts@7ent.com, or call
                                                    (800) 992-7007 (U.S. only) or (530) 886-0771

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