MANLEY 14403-4 Connecting Rod set I-Beam MITSUBISHI 4G63 7-bolt (675g) ymm_64 Internal muffler cores are custom-calibrated

Internal muffler cores are custom-calibrated for each vehicle to achieve the most desirable sound characteristics

Three interchangeable injector nozzles to cover a wide variety of HP levels (250cc/min

Fixed bolt M (20 mm) x 2

as they are intended for closed track use only

The ATAK sound level is designed to bring out the Subaru engine growl and provides an aggressive sound without any drone

MANLEY 14403-4 Connecting Rod set I-Beam MITSUBISHI 4G63 7-bolt (675g) ymm_64 Internal muffler cores are custom-calibratedManley "H" Beam connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is a vast difference in quality between a Manley "H" Beam and the "other" inexpensive H Beams on the market. Weight matched to + 1. 5 grams. Perfectly round big and small ends. Bend and twist is tightly controlled. Cap fasteners are 3 8" ARP 2000 for the "H" Beam and 3 8" ARP Custom Age