Manley Performance H-Beam Rods - 2002-2021 Subaru WRX & STi EJ20/EJ25 (14024-4) Subaru-Outback-2021 The COBB Tuning Lightweight Main

The COBB Tuning Lightweight Main Pulley is CAD designed and CNC machines from Billet 6061-T6 and anodized to withstand the toughest of engine conditions

Wheel Concave: Yes

API Standards: API SN/CF

115mm silencer diameter

These work great for street and track use and do not transmit harsh vibration thru the vehicle

Manley Performance H-Beam Rods - 2002-2021 Subaru WRX & STi EJ20/EJ25 (14024-4) Subaru-Outback-2021 The COBB Tuning Lightweight MainManley "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 rods. Features Center to