SPL Parts Adjustable Front Lower Control Arms 86 , GR86, BRZ, FR-S - SPL FLCA FRS

The SPL Parts Adjustable Front Lower Control Arms (Part #SPL FLCA FRS) are the ultimate front-end tuning solution for the GR86, BRZ, GT86, and FR-S. Designed for track, drift, and performance street use, this system allows precise adjustment of camber, caster, track width, roll center, and anti-dive, while completely eliminating OEM bushing deflection that causes vague handling and instability under braking.

By replacing compliant factory arms with rigid, spherical-equipped billet components, these control arms dramatically increase front grip, sharpen steering response, improve tire wear at the track, and unlock advanced suspension geometry tuning normally reserved for race cars.

Key Features & Specifications

• Brand: SPL Parts
• Part Number: SPL FLCA FRS
• Position: Front Lower
• Component Type: Adjustable front lower control arms
• Adjustments:Camber, Caster, Track width, Roll center, Anti-dive
• Design Goal: Maximize front grip, tire clearance, and alignment precision
• Use Case: Street performance, track days, drifting, and competition use
• Sold As: Complete kit (left and right)
• Manufacturing: Made in the USA

Performance Benefits

• Allows aggressive front camber settings (-2.5° to -4.0°+)
• Improves mid-corner grip through increased caster potential (7.0°+)
• Enables front track width tuning for reduced understeer
• Corrects roll center on lowered vehicles to reduce body roll
• Adds anti-dive geometry for improved braking stability
• Eliminates bushing flex for sharper turn-in and steering feel

Suspension Geometry Explained

• Camber: Reduces outer tire shoulder wear and increases cornering grip
• Caster: Improves camber gain during steering and straight-line stability
• Track Width: Promotes neutral handling by reducing front weight transfer
• Roll Center: Restores proper suspension leverage after lowering
• Anti-Dive: Reduces front-end compression under braking, especially on track

Pairing these arms with camber plates allows even greater flexibility for tire clearance and alignment strategy.

Construction & Materials

• 6061-T6 billet aluminum arms, anodized black
• 6061-T6 billet hollow aluminum trailing links
• 4130 chromoly steel double adjusters, electroless nickel plated
• 6061-T6 aluminum spacers and 360-degree clamps
• 304 stainless steel adjustment spacers
• Heat-treated 4130 chromoly studs
• Class 10.9 metric and SAE Grade 8 hardware
• Ti-6Al-4V titanium 1/4-20 socket head Allen screws, anodized blue

Jam nut-free 360-degree clamp design allows fast, precise on-car adjustments that stay locked under hard use.

Vehicle Fitment

• Toyota GR86 ZN8 (2021+)
• Toyota 86 / Scion FR-S ZN6 (2013-2021)
• Subaru BRZ ZC6 / ZD8 (2013+)

Replaces OEM Part Numbers

Toyota:

• SU003-10055 / SU003-10056
• SU003-00354 / SU003-00355
• SU003-08016 / SU003-08017

Subaru:

• 20202-CC000 / 20202-CC010
• 20202-CA002 / 20202-CA012
• 20202-CA001 / 20202-CA011
• 20202-CA000 / 20202-CA010