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Lexus GS300/GS400/GS430

Unlock your Lexus GS300, GS400, or GS430’s true potential with Lunatics Co’s premium performance parts. Engineered for both track and street, our selection boosts power, handling, and style, while ensuring reliability. From angle kits and brakes to suspension and engine swaps, we’ve got you covered. Elevate your GS with our top-quality upgrades and build your dream ride today!

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  • Megan Racing EZII Series Coilover Kit Lexus GS300 | GS400 1998-2005 - Lunatics
    Save 20% Save %
    $999.00
    $999.00 - $999.00
    $999.00
    $799.00
    $799.00 - $799.00
    $799.00

    Megan Racing EZII Series Coilover Kit Lexus GS300 | GS400 1998-2005

    Megan Racing takes pride in actively engaging with the racing community and values the feedback received through real-world and on-track testing. T...

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    $999.00
    $999.00 - $999.00
    $999.00
    $799.00
    $799.00 - $799.00
    $799.00
    Save 20% Save %
  • Godspeed Project Adjustable Rear Camber Arms Spherical Bearing Lexus GS 98-05 - Lunaticsco
    Godspeed Project Adjustable Rear Camber Arms With Spherical Bearing Lexus GS300 1998-2005 - Lunaticsco
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Godspeed Project Adjustable Rear Camber Arms Spherical Bearing Lexus GS 98-05

    Ensure precise alignment and improved handling for your Lexus GS300 1998-2005 with the Godspeed Project Adjustable Rear Camber Arms featuring spher...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
  • 248FAB Dual Caliper Handbrake Kit (Lexus GS300/GS400 1998-2005) - Lunatics
    248FAB Dual Caliper Handbrake Kit (Lexus GS300/GS400 1998-2005) - Lunatics
    Save up to 4% Save %
    $775.00 - $940.00
    $775.00 - $940.00
    $775.00
    $736.00 - $899.00
    $736.00 - $899.00
    $736.00

    248FAB Dual Caliper Hydro Handbrake Kit Lexus GS300/GS400 1998-2005

    Upgrade your Lexus GS300, GS400, or GS430 with a comprehensive dual caliper handbrake kit by 248FAB. This kit includes everything you need for a co...

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    $775.00 - $940.00
    $775.00 - $940.00
    $775.00
    $736.00 - $899.00
    $736.00 - $899.00
    $736.00
    Save up to 4% Save %
  • Xcessive Manufacturing Transmission Cross Member Lexus GS300 (JZS160) - Lunatics
    $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00

    Xcessive Manufacturing Transmission Cross Member Lexus GS300 (JZS160)

    Cross Members for Manual Transmission Swaps Xcessive Manufacturing's all-new cross members are thoughtfully designed to provide a seamless and dire...

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    $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00
  • CXRacing Top Mount T70 Turbo Kit FOR GS300 SC300 SUPRA 2JZGE 2JZ - GE - Lunaticsco
    CXRacing TOP MOUNT T70 TURBO KIT FOR GS300 SC300 SUPRA 2JZGE 2JZ - GE - Lunaticsco
    $760.00 - $1,048.00
    $760.00 - $1,048.00
    $760.00 - $1,048.00
    $760.00

    CXRacing Top Mount T70 Turbo Kit GS300 SC300 SUPRA 2JZGE 2JZ-GE

    Upgrade your Lexus or Toyota with the CXRacing Top Mount T70 Turbo Kit, designed to convert your 2JZ-GE engine to turbocharged, supporting up to 50...

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    $760.00 - $1,048.00
    $760.00 - $1,048.00
    $760.00 - $1,048.00
    $760.00
  • Megan Racing Type II Rear Lower Arm Lexus (GS 98-06, IS300 98-05) - Lunatics
    Save 13% Save %
    $398.00
    $398.00 - $398.00
    $398.00
    $348.00
    $348.00 - $348.00
    $348.00

    Megan Racing Type II Rear Lower Arm Lexus GS 98-06 | IS300 98-05

    Megan Racing prides itself on keeping the community involved in every aspect of development. Through loyal participation in attending race events, ...

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    $398.00
    $398.00 - $398.00
    $398.00
    $348.00
    $348.00 - $348.00
    $348.00
    Save 13% Save %
  • Godspeed Project Rear Lower Control Arm Lexus GS 98-05 - Lunaticsco
    Godspeed Project Rear Lower Control Arm Lexus GS 98-05 - Lunaticsco
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Godspeed Project Rear Lower Control Arm Lexus GS 98-05

    Enhance the performance and longevity of your Lexus GS300's suspension system with the Godspeed Project Rear Lower Control Arm kit designed for mod...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
  • BEEnginering Lexus/Toyota 1JZ/2JZ Coil on Plug Conversion Bracket 1ZZ/1NZ Smart Coils - Lunatics
    BEEnginering Lexus/Toyota 1JZ/2JZ Coil on Plug Conversion Bracket 1ZZ/1NZ Smart Coils - Lunatics
    $34.00 - $198.00
    $34.00 - $198.00
    $34.00 - $198.00
    $34.00

    BEEnginering Lexus/Toyota 1JZ/2JZ Coil on Plug Conversion Bracket 1ZZ/1NZ Smart Coils

    Revolutionize your ignition system with BEEnginering 1JZ 2JZ Coil on Plug Conversion Bracket, designed for 1ZZ or 1NZ coils, catering to both VVTi ...

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    $34.00 - $198.00
    $34.00 - $198.00
    $34.00 - $198.00
    $34.00
  • Godspeed Adjustable Rear Lower Control Arms Extreme Camber Lexus GS 98 - 05 - Lunaticsco
    Godspeed Project Adjustable Rear Lower Control Arms Extreme Camber Edition Lexus GS S160 1998-2005 - Lunaticsco
    Save 17% Save %
    $350.00
    $350.00 - $350.00
    $350.00
    $292.00
    $292.00 - $292.00
    $292.00

    Godspeed Adjustable Rear Lower Control Arms Extreme Camber Lexus GS 98-05

    Godspeed Project's Adjustable Rear Lower Control Arms for the Lexus GS300, GS400, and GS430 (1998-2005) are constructed from heavy-duty steel alloy...

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    $350.00
    $350.00 - $350.00
    $350.00
    $292.00
    $292.00 - $292.00
    $292.00
    Save 17% Save %
  • CXRacing Damper Coilover Shock Suspension Kit For Lexus GS300 98 - 05 14K/10K - Lunaticsco
    CXRacing Damper CoilOver Shock Suspension Kit with Pillow Ball Mounts for 98 - 05 Lexus GS300 14K/10K - Lunaticsco
    $618.00 - $618.00
    $618.00
    $618.00 - $618.00
    $618.00

    CXRacing Damper Coilover Shock Suspension Kit For Lexus GS300 98-05 14K/10K

    Upgrade your Lexus GS300's suspension with the CXRacing Damper Coilover Suspension Kit. Designed for enthusiasts seeking a balance between comfort ...

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    $618.00 - $618.00
    $618.00
    $618.00 - $618.00
    $618.00
  • Megan Racing Front Upper Camber Kit Lexus GS300/GS400/GS430 97 - 04 - Lunaticsco
    Megan Racing Front Upper Camber Kit Lexus GS300 | GS400 | GS430 1997-2004 - Lunaticsco
    Save 13% Save %
    $328.00
    $328.00 - $328.00
    $328.00
    $286.00
    $286.00 - $286.00
    $286.00

    Megan Racing Front Upper Camber Kit Lexus GS300/GS400/GS430 97-04

    Megan Racing's Front Upper Camber Kit is constructed from high-strength steel-alloy, offering lightweight durability to withstand extreme competiti...

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    $328.00
    $328.00 - $328.00
    $328.00
    $286.00
    $286.00 - $286.00
    $286.00
    Save 13% Save %
  • Godspeed Adjustable Front Upper Camber Arms Ball Joints Lexus GS300 93 - 97 - Lunaticsco
    Godspeed Project Adjustable Front Upper Camber Arms With Ball Joints Lexus GsS300 1993-1997 - Lunaticsco
    Save 17% Save %
    $300.00
    $300.00 - $300.00
    $300.00
    $250.00
    $250.00 - $250.00
    $250.00

    Godspeed Adjustable Front Upper Camber Arms Ball Joints Lexus GS300 93-97

    Godspeed Project's Adjustable Front Upper Camber Arms for the Lexus GS300 (1993-1997) are crafted from heavy-duty steel alloy, providing exceptiona...

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    $300.00
    $300.00 - $300.00
    $300.00
    $250.00
    $250.00 - $250.00
    $250.00
    Save 17% Save %
  • Godspeed Adjustable Front Upper Camber Arms Ball Joints Lexus GS 98 - 05 - Lunaticsco
    Godspeed Project Adjustable Front Upper Camber Arms With Ball Joints Lexus GS300 1998-2005 - Lunaticsco
    Save 17% Save %
    $300.00
    $300.00 - $300.00
    $300.00
    $250.00
    $250.00 - $250.00
    $250.00

    Godspeed Adjustable Front Upper Camber Arms Ball Joints Lexus GS 98-05

    Godspeed Project's Adjustable Front Upper Camber Arms are specifically engineered for the Lexus GS300 (1998-2005). Constructed from heavy-duty stee...

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    $300.00
    $300.00 - $300.00
    $300.00
    $250.00
    $250.00 - $250.00
    $250.00
    Save 17% Save %
  • Heat Lightning Front & Rear Bash Bar Combo (Lexus GS/Aristo 1997-2005) - Lunatics
    Heat Lightning Front & Rear Bash Bar Combo (Lexus GS/Aristo 1997-2005) - Lunatics
    $800.00 - $800.00
    $800.00
    $800.00
    $800.00 - $800.00
    $800.00

    Heat Lightning Front & Rear Bash Bar Combo (Lexus GS/Aristo 1997-2005)

     Upgrade your 2nd generation Lexus GS (2GS) drift car with Heat Lightning Speed Shop (HLSS) bash bars, designed to reinforce and protect your vehic...

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    $800.00 - $800.00
    $800.00
    $800.00
    $800.00 - $800.00
    $800.00
  • Heat Lightning Front Bar (Lexus GS/Aristo 1997-2005) - Lunatics
    Heat Lightning Front Bar (Lexus GS/Aristo 1997-2005) - Lunatics
    $400.00 - $400.00
    $400.00
    $400.00 - $400.00
    $400.00

    Heat Lightning Front Bar (Lexus GS/Aristo 1997-2005)

    Upgrade your 2nd generation Lexus GS (2GS) drift car with the Heat Lightning Speed Shop's (HLSS) 2GS bash bar, a purpose-built solution designed to...

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    $400.00 - $400.00
    $400.00
    $400.00 - $400.00
    $400.00
  • Heat Lightning Rear Bash Bar (Lexus GS/Aristo 1997-2005) - Lunatics
    Heat Lightning Rear Bash Bar (Lexus GS/Aristo 1997-2005) - Lunatics
    $425.00 - $425.00
    $425.00
    $425.00 - $425.00
    $425.00

    Heat Lightning Rear Bash Bar (Lexus GS/Aristo 1997-2005)

    Upgrade your 2nd generation Lexus GS (2GS) drift car with the Heat Lightning Speed Shop's (HLSS) 2GS rear bash bar, a purpose-built sol...

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    $425.00 - $425.00
    $425.00
    $425.00 - $425.00
    $425.00
  • CXRacing Damper Coilover Shock Suspension Kit For Lexus GS300 98 - 05 16K/12K - Lunaticsco
    CXRacing Damper CoilOver Shock Suspension Kit for 98 - 05 Lexus GS300 16K/12K - Lunaticsco
    $598.00 - $598.00
    $598.00
    $598.00 - $598.00
    $598.00

    CXRacing Damper Coilover Shock Suspension Kit For Lexus GS300 98-05 16K/12K

    Upgrade your Lexus GS300's suspension with the CXRacing Damper Coilover Suspension Kit. Designed for enthusiasts seeking a balance between comfort ...

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    $598.00 - $598.00
    $598.00
    $598.00 - $598.00
    $598.00
  • Heat Lightning Speed Shop Seat Bracket LH or RH side (Lexus GS/Aristo 1997-2005) - Lunatics
    Heat Lightning Speed Shop Seat Bracket LH or RH side (Lexus GS/Aristo 1997-2005) - Lunatics
    $250.00 - $250.00
    $250.00
    $250.00 - $250.00
    $250.00

    Heat Lightning Speed Shop Seat Bracket LH or RH side (Lexus GS/Aristo 1997-2005)

    Transform the interior of your 2nd generation Lexus GS (2GS) or Aristo chassis by installing aftermarket bucket seats with the convenience of unive...

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    $250.00 - $250.00
    $250.00
    $250.00 - $250.00
    $250.00
  • Rear 18mm Heavy Duty 3 Position Blade Adjustable Sway Bar Kit (RC0056RZ-18) GS - Lunaticsco
    Save 5% Save %
    $256.00
    $256.00 - $256.00
    $256.00
    $244.00
    $244.00 - $244.00
    $244.00

    SuperPro Rear 18mm Heavy Duty 3 Position Blade Adjustable Sway Bar Kit Lexus GS (RC0056RZ-18)

    For those seeking to enhance their vehicle's cornering capabilities and reduce body roll, the SuperPro Rear 18mm Heavy Duty 3 Position Blade Adjust...

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    $256.00
    $256.00 - $256.00
    $256.00
    $244.00
    $244.00 - $244.00
    $244.00
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  • Megan Racing Front Sway Bar 32mm 3pcs Lexus GS300 | GS400 | GS430 1998-2005 - Lunaticsco
    Save 10% Save %
    $209.00
    $209.00 - $209.00
    $209.00
    $188.00
    $188.00 - $188.00
    $188.00

    Megan Racing Front Sway Bar 32mm 3pcs Lexus GS 98-05

    Enhance the handling performance of your Lexus GS300, GS400, or GS430 with the Megan Racing Front Sway Bar kit designed for model years 1998-2005. ...

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    $209.00
    $209.00 - $209.00
    $209.00
    $188.00
    $188.00 - $188.00
    $188.00
    Save 10% Save %
  • Godspeed Project Adjustable Rear Toe Arms Lexus GS300 93-97 - Lunaticsco
    Godspeed Project Adjustable Rear Toe Arms Lexus GS 1993-1997 - Lunaticsco
    $180.00 - $180.00
    $180.00
    $180.00 - $180.00
    $180.00

    Godspeed Project Adjustable Rear Toe Arms Lexus GS300 93-97

    Ensure optimal alignment and handling performance for your Lexus GS300 (S147) 1993-1997 with the Godspeed Project Adjustable Rear Toe Arms. Designe...

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    $180.00 - $180.00
    $180.00
    $180.00 - $180.00
    $180.00
  • EBC Brakes Rotors Disc Brake Rotor FMSI D771 Rear Lexus IS/GS/GS 98-05 - Lunatics
    $183.00 - $183.00
    $183.00
    $183.00 - $183.00
    $183.00

    EBC Brakes Front Rotors Disc Brake Rotor RK781 Lexus IS/GS/GS 98-05

    Upgrade your vehicle's braking performance with EBC Brakes RK781, OE quality replacement rotors designed to meet the exact specificati...

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    $183.00 - $183.00
    $183.00
    $183.00 - $183.00
    $183.00
  • Rear Control Arm Lower-Inner Bushing Kit - Double Offset (SPF3037K) IS300/GS - Lunaticsco
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    $175.00
    $175.00 - $175.00
    $175.00
    $157.00
    $157.00 - $157.00
    $157.00

    SuperPro Rear Control Arm Lower-Inner Bushing Kit Double Offset Lexus IS300/GS (SPF3037K)

    The Super Pro Rear Control Arm Lower-Inner Bushing Kit (Double Offset) is designed to elevate your vehicle's handling performance by delivering pos...

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    $175.00
    $175.00 - $175.00
    $175.00
    $157.00
    $157.00 - $157.00
    $157.00
    Save 10% Save %
  • Rear Control Arm Upper-Inner Bushing Kit - Double Offset (SPF3044K) IS300/GS - Lunaticsco
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    $170.00
    $170.00 - $170.00
    $170.00
    $153.00
    $153.00 - $153.00
    $153.00

    SuperPro Rear Control Arm Upper-Inner Bushing Kit Double Offset (SPF3044K) IS300/GS

    The SuperPro Rear Control Arm Upper-Inner Bushing Kit, model SPF3044K, is tailored to provide a non-tire wearing geometry change that substantially...

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    $170.00
    $170.00 - $170.00
    $170.00
    $153.00
    $153.00 - $153.00
    $153.00
    Save 10% Save %