ARP Subaru 2.0L FA20 Main Bolt Kit

SKU: 260-5001 | UPC: 672036044107

ARP Subaru 2.0L FA20 Main Bolt Kit – 2013-2021 BRZ 2015-2021 WRX

The ARP Subaru 2.0L FA20 Main Bolt Kit delivers secure main cap fastening for Subaru FA20 engines in BRZ and WRX models. These studs handle high cylinder pressures and boost levels in tuned setups. Engine builders rely on this kit for consistent clamping during aggressive driving or racing.

Key Features

• 8740 Chromoly Steel: Heat treated to 200,000 PSI tensile strength withstands extreme loads without stretching
• Precision Rolled Threads: Boosts fatigue strength and thread accuracy for repeated torquing
• Complete Hardware Set: Includes 8 main studs 2 thrust studs hard washers and 12-point nuts for full assembly
• Black Oxide Finish: Prevents corrosion and simplifies assembly with reduced friction
• Direct OEM Replacement: Matches factory locations for easy upgrade in stock or built FA20 blocks

Product Notes

• Use ARP Ultra-Torque assembly lubricant for precise torque readings
• Inspect main bores and caps for wear prior to installation
• Packaged in protective ARP box to prevent damage during transit

Installation Notes

• Professional installation recommended.
• Torque main studs to 70 ft-lbs with ARP lube follow included sheet
• Compatible with factory Subaru main caps and girdle

This Part Fits

Why Choose ARP?

• ARP fasteners secure engines in NHRA Top Fuel and Pro Stock teams
• Millions of kits installed in street and race engines worldwide
• Made in USA with tight tolerances for perfect FA20 fitment

Frequently Asked Questions

• Q: Does this fit Subaru WRX STI models?
  A: No this kit fits only FA20 2.0L turbo engines STI uses EJ257 or FA24 engines with different mains
• Q: What material and strength rating?
  A: Forged 8740 chromoly steel construction heat treated to 200,000 PSI tensile strength
• Q: What warranty coverage?
  A: ARP offers lifetime warranty on studs against manufacturing defects when installed per instructions

Shipping & Handling

• Method: UPS Ground
• Availability: In stock – ships same or next business day
• Packaging: Protective box 6 x 4 x 1 inches
• Weight: 1.65 lbs