Classic Mini Site Wide Sale
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BMW Mini Cooper
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Part No: R41570-P
SALE Price $0.00
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
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Related Technical Articles:
Pistons - Mega piston performance report- Classic Mini Cooper
Created: July 14, 2005
Pistons - Mega piston performance report The two other articles I have done on this site concerned what pistons are all about, different design and construction pros and cons, material specs, ring set-ups and so on. Under 'Pistons - Favourable features for maximum performance' it would seem that th...
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