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  See more parts for Scion FRS
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HKS 2.2L Complete Engine FA20 Step 2 Subaru | Scion | Toyota 2013-2020 - 23011-AT004

Upgrade Your Subaru BRZ, Toyota 86, or Scion FR-S with the 23011-AT004 Engine Kit

Looking to boost your ride's performance? The 23011-AT004 engine kit is specifically designed for the Subaru BRZ (2013-2020), Toyota 86 (2017-2020), and Scion FR-S (2013-2016). This complete FA20 2.2L engine is built for those who want to take their vehicle to the next level, especially when retrofitting for forced induction.

Key Features

  • Enhanced piston cooling with added oil jets
  • Precision reboring of the cylinder for optimal piston-to-wall clearance, paired with custom oversized pistons
  • Strengthened main bolts from ARP for improved durability
  • Forged I-Beam connecting rods and crankshaft (STEP 1)
  • High-quality ACL connecting rod bearings
  • Grommet gasket to ensure superior combustion chamber sealing
  • Wide angle and high lift camshafts for increased power at higher RPMs
  • Reinforced closed deck block (available in STEP 2 and 3)
  • Billet I-beam connecting rods and oversized head bolts (STEP 2 and 3)
  • Beryllium valve seats and phosphor-bronze valve guides for enhanced heat dissipation (STEP 2 and 3)
  • Hand-polished intake and exhaust ports for maximum airflow (STEP 2 and 3)
  • Welded water jacket holes for high strength and rigidity of the engine head (STEP 3)

Specifications

  • Bore: HK$ 2.1L KIT: 86.5 mm / Stock: 86.0 mm
  • Stroke: HK$ 2.1L KIT: 90.0 mm / Stock: 86.0 mm
  • Compression (t=0.84): HK$ 2.1L KIT: 10.4:1
  • Capacity: HK$ 2.1L KIT: 2,116cc / Stock: 1,998cc

Fitment

  • Subaru BRZ FA20 (2013-2020)
  • Toyota 86 FA20 (2017-2020)
  • Scion FR-S FA20 (2013-2016)

Customer Feedback

Many users have praised the 23011-AT004 for its impressive performance gains and reliability. The enhanced cooling features and precision engineering have made a noticeable difference in their driving experience, especially when pushing the limits on the track or during spirited drives.

Other Part Numbers:
HKS #hks23011-AT004

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2013-2016
 Scion FRS
2013-2020
 Subaru BRZ

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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