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These 4-ring piston are designed for 1098cc engines. 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. Also For Sprite & Midget 1098cc engines. Choose size above - sold each.
1098cc 4-Ring Piston With Rings & Pin - Choose Size

1098cc 4-Ring Piston With Rings & Pin - Choose Size

1098cc 4-Ring Piston With Rings & Pin - Choose Size
This 4-ring piston (+.040) 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.
This 4-ring piston (+.060") oversized was designed for 1098cc engines. 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.
These 4-ring piston are designed for 1098cc engines. 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. Also For Sprite & Midget 1098cc engines. Choose size above - sold each.
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