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SKU: 771-1001 | UPC: 672036029326
ARP M8 x 1.25 x 20 12pt SS Bolts (5/pkg) for Subaru Impreza WRX & STI 2002-2021
ARP M8 x 1.25 x 20 12pt stainless steel bolts in a 5-pack secure throttle bodies and intake manifolds on Subaru Impreza WRX and STI models from 2002 to 2021. These fasteners provide consistent clamp load to seal against boost pressure and heat cycles. Built for enthusiasts building reliable street or track engines.
Key Features
- Genuine ARP Fasteners: Engineered for dependable clamping force in high-performance applications
- Precision-Rolled Threads: Ensure maximum thread engagement and accurate repeatable torque
- 12-Point Head Design: Allows secure wrench grip to prevent rounding during installation and service
- Stainless Steel Build: Resists corrosion and fatigue for extended service life
- Exact M8 x 1.25 x 20mm Size: Direct replacement for OEM hardware on compatible throttle body setups
Product Notes
- Inspect and clean all threads in heads and manifolds prior to assembly
- Apply anti-seize or ARP lubricant and follow torque sequence for best results
- Packaged in protective sleeve for damage-free delivery
Installation Notes
- Professional installation recommended.
- Apply ARP Ultra-Torque fastener lubricant to threads and under heads
- Follow ARP torque specifications of 18-22 ft-lbs depending on application
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2008-2014 | Subaru | Impreza | WRX STI |
| 2008-2013 | Subaru | Legacy | GT |
| 2004-2013 | Subaru | Forester | XT |
| 2015-2021 | Subaru | WRX | Base, STI |
Why Choose ARP?
- ARP fasteners power wins in NHRA, NASCAR and endurance racing
- Proprietary heat treatment and material alloys resist failure
- Every bolt tested for precise dimensions and tensile strength
Frequently Asked Questions
-
Q: Do these bolts fit 2004-2007 Subaru STI throttle body?
A: Yes, they are direct OEM replacements for M8 x 1.25 x 20mm throttle body bolts on EJ255/EJ257 engines in WRX and STI models -
Q: What material and finish do these bolts have?
A: Constructed from 300 series stainless steel with a passivated finish for corrosion resistance in wet or salty environments -
Q: What is the warranty and torque procedure?
A: ARP offers a limited pro-rated warranty, torque to 20 ft-lbs dry or 18 ft-lbs with ARP Ultra-Torque lube in a cross pattern, re-torque after 500 miles
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective poly bag in 4 x 3 x 1 inch box
- Weight: 0.20 lbs
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