Select a oversize options available below for more information:
Compression ring sizes are .0591" and one piece oil ring .1181" on 21253 pistons giving 9.7cr on 1275cc. Also fits P21963 pistons as fitted to some Metro's
Question:
My 1996 mini has pistons with the following number21963 PM4 A25. I would like to get 0.010 oversized rings.
Answer:
These pistons use 2x 1.5mm rings and 1 3mm oil ring - same as the 21253 pistons - which we have rings for HERE.
They are available in STD, +.20, +.40, and +.60
They are available in STD, +.20, +.40, and +.60
Mini Mania Tech Team
The Classic Mini Parts and Accessories Experts
![[1251 E.020] Austin-4 Cyl](/images_temp/5050101deves-piston-rings-box.jpg "[1251 E.020] Austin-4 Cyl")
![[1251 E Std] Austin-4 Cyl](/images/zznone.jpg "[1251 E Std] Austin-4 Cyl")
Compression ring sizes are .0591" and one piece oil ring .1181" on 21253 pistons giving 9.7cr on 1275cc. Also fits P21963 pistons as fitted to some Metro's
Question:
My 1996 mini has pistons with the following number21963 PM4 A25. I would like to get 0.010 oversized rings.
Answer:
These pistons use 2x 1.5mm rings and 1 3mm oil ring - same as the 21253 pistons - which we have rings for HERE.
They are available in STD, +.20, +.40, and +.60
They are available in STD, +.20, +.40, and +.60
Mini Mania Tech Team
The Classic Mini Parts and Accessories Experts
Also Purchased with: R41570-P
-
R41570-STD -
R41570-40
-
CP7
-
R41570-20
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12G1300
-
12G2621
-
12H865K
-
12M263
-
21253-STD-EA
-
21A1091
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