The BoostLine connecting rod kit is specified for Audi five-cylinder engines with a 144 mm length and 23 mm pin; it ships as a BL ARP 625+ kit. Intended as a direct-fit connecting rod replacement, the kit includes ARP 625+ hardware and is tailored to the dimensional needs of Audi 5-cylinder applications requiring a 144 mm rod and 23 mm pin configuration for proper crank and piston alignment.
BoostLine Audi 5 Cyl 144mm 23 pin-BL ARP 625+ - Connecting Rod Kit