Collection: AFTERMARKET ENGINE & TRANSMISSION ACCESSORIES

Premium Aftermarket Accessories for GM Engine and Transmission

Upgrade your vehicle’s performance with high‑quality aftermarket engine and transmission accessories designed for durability, precision, and power. From performance intakes and cooling components to upgraded clutches, torque converters, sensors, and mounts, our products help drivers get more reliability and responsiveness out of every ride.

Whether you’re restoring a classic, building a track-ready setup, or just improving daily drivability, our selection delivers enhanced horsepower, smoother shifting, better heat management, and longer component life. We focus on trusted brands, proven engineering, and parts that fit right the first time—so you can maintain, customize, or optimize your vehicle with confidence.

 

Enhance Performance with GM Engine Components

 

 

Aftermarket accessories designed for your GM engine can significantly improve overall vehicle performance and reliability. Whether you seek better fuel efficiency or increased horsepower, compatible engine parts offer tailored solutions for maintenance and upgrades. Choosing high-quality GM engine accessories ensures seamless fitment and durability, helping your vehicle perform at its best for longer periods. These components are engineered to meet or exceed OEM specifications, offering peace of mind while optimizing your engine’s power and longevity on the road.

 

 

Durable and Efficient GM Transmission Parts

 

 

Maintaining or upgrading your GM transmission with aftermarket accessories provides improved shifting smoothness and enhanced transmission life. These parts are crafted for durability and precision, ensuring reliable power transfer from engine to wheels. Selecting the right GM transmission accessories helps prevent costly repairs by reducing wear and tear. OEM-quality alternatives offer a cost-effective way to keep your transmission running efficiently without sacrificing performance or compatibility with your vehicle’s systems.

 

 

Benefits of Upgrading Your Engine and Transmission

 

 

Upgrading both your engine and transmission with aftermarket accessories can greatly improve your vehicle’s responsiveness and fuel economy. Well-selected parts contribute to reduced mechanical stress and heat generation, extending the lifespan of critical components. Such enhancements not only boost driving enjoyment but also preserve the value of your vehicle. By investing in quality GM engine and transmission accessories, you ensure your vehicle performs reliably, maintains smooth operation, and meets the demands of everyday driving and performance needs alike.

 

 

 

Enhance Performance with GM Engine Components

 

 

Aftermarket accessories designed for your GM engine can significantly improve overall vehicle performance and reliability. Whether you seek better fuel efficiency or increased horsepower, compatible engine parts offer tailored solutions for maintenance and upgrades. Choosing high-quality GM engine accessories ensures seamless fitment and durability, helping your vehicle perform at its best for longer periods. These components are engineered to meet or exceed OEM specifications, offering peace of mind while optimizing your engine’s power and longevity on the road.

 

 

Durable and Efficient GM Transmission Parts

 

 

Maintaining or upgrading your GM transmission with aftermarket accessories provides improved shifting smoothness and enhanced transmission life. These parts are crafted for durability and precision, ensuring reliable power transfer from engine to wheels. Selecting the right GM transmission accessories helps prevent costly repairs by reducing wear and tear. OEM-quality alternatives offer a cost-effective way to keep your transmission running efficiently without sacrificing performance or compatibility with your vehicle’s systems.

 

 

Benefits of Upgrading Your Engine and Transmission

 

 

Upgrading both your engine and transmission with aftermarket accessories can greatly improve your vehicle’s responsiveness and fuel economy. Well-selected parts contribute to reduced mechanical stress and heat generation, extending the lifespan of critical components. Such enhancements not only boost driving enjoyment but also preserve the value of your vehicle. By investing in quality GM engine and transmission accessories, you ensure your vehicle performs reliably, maintains smooth operation, and meets the demands of everyday driving and performance needs alike.

 

 

993 products

993 products

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  • Comp Cams CS Street & Marine Lifters

    Regular price $882.36 USD
    Regular price Sale price $882.36 USD
    FR SPORT Comp Cams CS Street & Marine Engine Valve Lifter Kit with multiple lifters for automotive and marine engines.
  • Comp Cams 1.585" Beehive Valve Springs

    Regular price $367.25 USD
    Regular price Sale price $367.25 USD
    FR SPORT Comp Cams 1.585-inch Beehive Valve Springs engine valve spring kit installed in automotive engine components
  • Comp Cams CS MAGNUM ROLLER ROCKER

    Regular price $123.57 USD
    Regular price Sale price $123.57 USD
    FR SPORT Comp Cams CS Magnum Roller Rocker Engine Rocker Arm Kit showing metal rocker arms with roller tips for performance engines
  • Comp Cams CS +.300 ROLLER TAPPETS

    Regular price $882.00 USD
    Regular price Sale price $882.00 USD
    FR SPORT Comp Cams CS +.300 roller tappets engine valve lifter kit for high-performance automotive engines.
  • Comp Cams CS Small Base Circle Roller Lifter

    Regular price $758.34 USD
    Regular price Sale price $758.34 USD
    FR SPORT Comp Cams CS Small Base Circle Roller Lifter engine valve lifter kit with small base circle design, used in performance engines
  • Comp Cams CS-CB SOLID LIFTER

    Regular price $150.35 USD
    Regular price Sale price $150.35 USD
    FR SPORT Comp Cams solid engine valve lifter kit showing metallic lifters with detailed engineering components.
  • Comp Cams HI-TECH PUSHROD 5/16 7.200

    Regular price $217.25 USD
    Regular price Sale price $217.25 USD
    FR SPORT Comp Cams HI-TECH engine push rod set, 5/16 inch, 7.200 length, featuring durable metal construction with visible components.
  • Comp Cams NEW COMP BUSCH/SUPERTRUCK VALVE SPRING 006Z8

    Regular price $766.05 USD
    Regular price Sale price $766.05 USD
    FR SPORT Comp Cams engine valve spring kit for Busch/SuperTruck models, featuring high-performance valve springs for engine upgrades.
  • Comp Cams CAM PHASER KIT, GM L-92

    Regular price $92.50 USD
    Regular price Sale price $92.50 USD
    FR SPORT GM L-92 Comp Cams VVT Cam Phaser Kit showing the engine variable valve timing adjuster plug for L-92 engines.
  • Aeromotive 55-57 Chevy Stealth Fuel Tank

    Regular price $1,245.60 USD
    Regular price Sale price $1,245.60 USD
    Aeromotive 55-57 Chevy Stealth fuel tank, black with metal fittings, designed for classic Chevrolet vehicles.
  • Aeromotive GM LT-1 Regulator

    Regular price $322.80 USD
    Regular price Sale price $322.80 USD
    FR SPORT Aeromotive GM LT-1 fuel pressure regulator with adjustable control for high-performance engine tuning.
  • Aeromotive GM LS7 Fuel Rail Kit

    Regular price $436.80 USD
    Regular price Sale price $436.80 USD
    FR SPORT Aeromotive GM LS7 fuel rail kit with fuel injector rails and connectors for high-performance LS7 engine installation.
  • Aeromotive F-Body Fuel Rail System - GM LS1 98-02

    Regular price $967.20 USD
    Regular price Sale price $967.20 USD
    Aeromotive F-Body Fuel Rail System for GM LS1 98-02, FR SPORT fuel injector rail with polished metal finish.
  • Aeromotive 61-64 Chevrolet Impala 340 Stealth Gen 2 Fuel Tank 18434

    Regular price $1,017.60 USD
    Regular price Sale price $1,017.60 USD
    Aeromotive 61-64 Chevrolet Impala 340 Stealth Gen 2 fuel tank, black metal with mounting ports, designed for classic car restoration.
  • Aeromotive Fuel Tank, 200 Stealth Gen 2, 65-66 Impala (Available Q3 2018)

    Regular price $890.40 USD
    Regular price Sale price $890.40 USD
    FR SPORT Aeromotive fuel tank for 200 Stealth Gen 2 and 65-66 Impala, shown in black with mounting features.
    Sold out
  • Aeromotive Fuel Tank Gen 2, 65-66 Impala (Available Q3 2018)

    Regular price $1,017.60 USD
    Regular price Sale price $1,017.60 USD
    FR SPORT Aeromotive Gen 2 fuel tank for 1965-66 Chevrolet Impala, shown with mounting details and fuel inlet.
    Sold out