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Classic Austin Mini Cooper Sprite Midget Morris- 1098cc Piston +.020 Os, 8.5:1
Selected: 20397-20-EA
+.020" oversize piston
Select variations below for more information:
This 4-ring piston (+.020) was designed for 1098cc engines.
Sold individually.
The upper three compression rings are .0625" thick and the bottom oil ring is .1249" thick. Pin height in this piston design 2.2855", this results in a compression of 8.5:1 in most standard applications that include the '62-'67 A40, MKII 1100, the '74-'81 Allegro 1100 and the '75-'80 Mini Clubman and Clubman Estate.
7cc Dish.
Sold individually.
The upper three compression rings are .0625" thick and the bottom oil ring is .1249" thick. Pin height in this piston design 2.2855", this results in a compression of 8.5:1 in most standard applications that include the '62-'67 A40, MKII 1100, the '74-'81 Allegro 1100 and the '75-'80 Mini Clubman and Clubman Estate.
7cc Dish.
This 4-ring piston (+.020) was designed for 1098cc engines.
Sold individually.
The upper three compression rings are .0625" thick and the bottom oil ring is .1249" thick. Pin height in this piston design 2.2855", this results in a compression of 8.5:1 in most standard applications that include the '62-'67 A40, MKII 1100, the '74-'81 Allegro 1100 and the '75-'80 Mini Clubman and Clubman Estate.
7cc Dish.
Sold individually.
The upper three compression rings are .0625" thick and the bottom oil ring is .1249" thick. Pin height in this piston design 2.2855", this results in a compression of 8.5:1 in most standard applications that include the '62-'67 A40, MKII 1100, the '74-'81 Allegro 1100 and the '75-'80 Mini Clubman and Clubman Estate.
7cc Dish.
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