ARP Case Bolt Kit
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ARP Case Bolt Kit - Subaru EJ20 / EJ25 - WRX / STI (GC / GD / GR / GV / VA) / Forester (SF / SG / SH) / Liberty GT (BL / BP)
Subaru's boxer block is two halves bolted together around the crankshaft. This ARP case bolt kit replaces the factory case bolts on the EJ20 / EJ25 engine, adding clamping load to hold the halves together under high power.
See the Vehicle Fitment tab for the full list of vehicles.
Note: Installation by a professional is recommended.
Features
- Made in the USA by ARP
- ARP torque spec: 10mm bolts 60 ft-lb (81 Nm), 8mm bolts 25 ft-lb (34 Nm) with ARP Ultra-Torque
- Installation instructions available from ARP (see Technical Specifications)
Pairs Well With
Shop more: ARP
Need help choosing parts? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Subaru | Impreza WRX | GC / GF | 1994–2000 | EJ20 turbo |
| Subaru | Impreza WRX | GD / GG | 2001–2005 | EJ20 turbo |
| Subaru | Impreza WRX | GD / GG | 2006–2007 | EJ25 turbo |
| Subaru | Impreza WRX | GE / GH | 2008–2014 | EJ25 turbo |
| Subaru | Impreza WRX STI | GC / GD / GR / GV | 1994–2014 | EJ20 / EJ25 turbo |
| Subaru | WRX STI | VA | 2014–2021 | EJ25 turbo |
| Subaru | Forester GT / XT | SF / SG / SH | 1998–2013 | EJ20 / EJ25 turbo |
| Subaru | Liberty GT | BE / BH / BL / BP | 1998–2009 | EJ20 / EJ25 turbo |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | ARP |
| Product | Case Bolt Kit |
| Engine | EJ20 / EJ25 |
| Torque (ARP Ultra-Torque) | 10mm bolts 60 ft-lb (81 Nm), 8mm bolts 25 ft-lb (34 Nm) |
| Instructions | ARP instruction sheet (link below) |
| Part number(s) | 260-5401 |
Contents
1 x ARP case bolt kit – bolts and washers for one engine

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