Sport Kit Evolution I 1000cc for all R100 from 1981 with C Nikasil cylinder.
2 light conrods (151mm lenght) with 2 light pistons compression ratio 10.5: 1.
The overall width is like OE.
It fits Plug & Play all R100 engines from 1981
Weight of the conrods is approx. 450g and the weight of the pistons with 20mm pin is about 430g.
This kit is also available for Nikasil B cylinder (Item No. 112042) or Nikasil A cylinder (Item No. 112041).