ARP Main Case Bolts for EJ20/EJ25 WRX/STi (260-5401)

ARP 260-5401 main bolts aka case bolts fit most Subaru EJ20/EJ25 engines including 2002-2014 WRX, 2004-2021 STi, Impreza RS, Legacy GT and more. Kit includes a full replacement set of 17 bolts and 11 washers with assembly lube.

Vehicle Fitment:
Subaru EJ20/EJ25
• 2002-2014 WRX
• 2004-2021 STi
• 1998-2005 Impreza RS
• 1994-2012 Legacy GT
• Also fits some Forester, Baja and Outback models

Includes:
(8) Inconnel 718 10mm Long Bolts
(2) Inconnel 718 10mm Short Bolts
(1) Inconnel 718 8mm Long Bolts
(6) Inconnel 718 8mm Short Bolts
(4) M10 Washers (*Leave them on the 4 bolts they came on!)
(7) M8 Washers
(1) Ultra-Torque Fastener Assembly Lube

*4 of the long M10 bolts will be packaged with the washers on them. Those bolts are special, leave those washers on those bolts and read the included instructions before unpacking the bolt kit.

More Info:
The ARP Inconnel 718 is a nickel based material that is in the high temperature, super-alloy class, it is found to be equally suitable in lower temperature applications. This material delivers a tensile strength of 200,000 psi and exhibits improved fatigue properties. Threads are rolled after heat treating to make them 1000% stronger than most other main bolts. Includes parallel-ground, hardened washers.

Discounts:
We are sorry, discounts are not available for ARP products.