A Series 1098 8.5:1 CR PISTON SET [4] CIRCLIP TYPE +040
Popular Applications:
Austin A40
MKII 1100
Allegro 1100
Healey Sprite
Mg Midget
Morris MInor (excluding LCV)
'75-'80 Mini Clubman and Clubman Estate.
A Series 1098 8.5:1 CR PISTON SET [4] CIRCLIP TYPE +040
This piston for 1098cc engines was designed with 4 rings. The top three compression rings are .0625" thick and the bottom oil ring is .1575" thick. Pin height in this piston design is 2.2855", this results in a compression of 8.5:1 in most standard applications.

![A Series 1098 8.5:1 CR PISTON SET [4] CIRCLIP TYPE +040](https://static.wixstatic.com/media/abe5d9_43287f021cd6454683f5f1e652dadea0~mv2.jpg/v1/fill/w_950,h_950,al_c,q_85,enc_avif,quality_auto/abe5d9_43287f021cd6454683f5f1e652dadea0~mv2.jpg)




