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.

 

 

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993 products

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  • Comp Cams Chevrolet LS1 F-Body Valve Springs for up to .625 Lift

    Regular price $313.14 USD
    Regular price Sale price $313.14 USD
    Comp Cams Chevrolet LS1 F-Body engine valve spring kit with high-performance springs for up to .625 lift, designed for LS1 engines.
  • Comp Cams LIFTER VALLEY OIL TUBES

    Regular price $54.95 USD
    Regular price $54.95 USD Sale price $54.95 USD
    FR SPORT Comp Cams engine lifter valley oil tubes, stand pipes for valve cover oil flow, durable automotive engine parts
  • Comp Cams Xtreme Energy 276HR-12 Modified LT1

    Regular price $612.17 USD
    Regular price Sale price $612.17 USD
    FR SPORT Comp Cams Xtreme Energy 276HR-12 Modified LT1 engine camshaft with detailed lobes and branding visible.
  • Comp Cams 0 DEGREE CAM BUSHINGS (5)

    Regular price $18.95 USD
    Regular price Sale price $18.95 USD
    FR SPORT Comp Cams 0 Degree Cam Bushing set for engine camshaft, includes five durable bushings for optimal performance.
  • Comp Cams STEEL RETAINERS FOR BEEHIVE SPRING

    Regular price $69.95 USD
    Regular price Sale price $69.95 USD
    FR SPORT Comp Cams steel retainers for beehive valve springs, engine valve spring retainer set, durable metal components for engine performance
  • Comp Cams HI-TECH PUSHROD 5/16 7.200

    Regular price $162.64 USD
    Regular price Sale price $162.64 USD
    FR SPORT Comp Cams hi-tech 5/16 pushrod set for engine, featuring durable metal construction and precise length of 7.200 inches.
  • Comp Cams 3/8 8.000 .080 W/210 Radius

    Regular price $19.95 USD
    Regular price Sale price $19.95 USD
    FR SPORT Comp Cams 3/8 inch 8.000 push rod with .080 wall thickness and 210 radius for engine performance.
  • Comp Cams CSV-6 (60deg) Hydraulic Lifter

    Regular price $137.95 USD
    Regular price Sale price $137.95 USD
    FR SPORT Comp Cams CSV-6 60° Hydraulic Lifter Kit for engine valves, showing the detailed hydraulic lifter components.
  • Comp Cams Hi-Tech Pushrod 5/16 7.475"

    Regular price $225.27 USD
    Regular price Sale price $225.27 USD
    FR SPORT Comp Cams Hi-Tech 5/16 inch engine pushrod set, 7.475 inches long, with polished metal finish and durable construction.
  • Comp Cams CS +.300 Roller Tappet

    Regular price $78.95 USD
    Regular price Sale price $78.95 USD
    FR SPORT Comp Cams CS +.300 roller tappet for engine valve lifters, close-up view of durable automotive component
  • Comp Cams Marine, 268H: Cam & Kit

    Regular price $634.30 USD
    Regular price Sale price $634.30 USD
    Marine engine camshaft kit from FR SPORT, featuring the Comp Cams 268H cam and components for performance enhancement
    Sold out
  • Comp Cams CS HIGH ENERGY PUSHROD

    Regular price $37.34 USD
    Regular price Sale price $37.34 USD
    FR SPORT Comp Cams CS High Energy Pushrod set for engine, showcasing durable metal construction and precision design.
  • Comp Cams PERFORMANCE GM LS1 VALVE SPRING

    Regular price $27.95 USD
    Regular price Sale price $27.95 USD
    FR SPORT Comp Cams GM LS1 engine valve spring for performance valve spring replacement, with coil and valve seat visible in image.
  • Comp Cams HI-TECH PUSHROD 5/16 7.300

    Regular price $18.95 USD
    Regular price Sale price $18.95 USD
    FR SPORT Comp Cams Hi-Tech 5/16-inch engine pushrod, 7.300 inches long, high-performance automotive engine component
  • Comp Cams CB Belt Drive System

    Regular price $1,652.40 USD
    Regular price Sale price $1,652.40 USD
    FR SPORT Comp Cams CB Belt Drive System engine timing belt kit with pulleys and tensioner components, automotive performance upgrade
    Sold out
  • Comp Cams Hi-Tech Pushrods, 5/16" Diameter, 7.425" Length

    Regular price $219.76 USD
    Regular price Sale price $219.76 USD
    FR SPORT Comp Cams Hi-Tech engine pushrod set with 5/16" diameter and 7.425" length, showing the durable metal pushrods.