Designed with cutting-edge Italian engineering, this connecting rod/piston set guarantees precision, performance and quality.  
 
Forged from high quality steel and reinforced with the latest generation heat treatments that offers 20% more strength than the 4340 rods
 
B58 Gen1 and 2
Made in Italy
"Silver" line
 
Material 34CrNiM06
.866 Pin End
5.834 C to C 
82mm bore
11.0:1 Compression
.866 wrist pin
 
"Silver" line up
Material 4032AL
Double bridge design
200HP rated per cylinder