Honda B series Procomp Motorsports Performance Race I Beam con rod B16a/B18c/B20B RM 1500
weight of rod 489-490 gram
Made of 4340 forced race I Beam for more durability with ARP 2000 stud
I beam suitable for NA application for Hi REV
http://www.procompelectronics.com/index.php?target=categories&category_id=860
for detail call 012-2123802
Boost goes up nicely to 0.5 bar at 3000rpm but then starts to drop to 0.3 bar starting 3000rpm until 4500rpm. After that it fluctuates about between 0.4 and 0.3 bar until 6000rpm. Any idea why? Boost leak?