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 1.250 SPRING SHIM KIT

    Regular price $44.95 USD
    Regular price $44.11 USD Sale price $44.95 USD
    FR SPORT Comp Cams 1.250 spring shim kit for engine valve springs, shown in a close-up image with metal shims.
    Sold out
  • Comp Cams NASCAR SPRING

    Regular price $60.95 USD
    Regular price Sale price $60.95 USD
    FR SPORT Comp Cams NASCAR engine valve spring, high-performance metal coil for racing engines, detailed close-up view.
  • Comp Cams HI-TECH PUSHROD 3/8 8.200

    Regular price $20.95 USD
    Regular price Sale price $20.95 USD
    FR SPORT Comp Cams HI-TECH Engine Push Rod, 3/8 inch diameter, 8.200 inches length, metal construction with detailed finish
  • Comp Cams Spring Seat 1.300" X .800" X .570"

    Regular price $74.13 USD
    Regular price Sale price $74.13 USD
    FR SPORT engine valve spring seat, 1.300" x 0.800" x 0.570", with precise metal finish and textured surface for secure fit.
  • Comp Cams Camshaft, LS1 273Lr HR-112

    Regular price $579.76 USD
    Regular price Sale price $579.76 USD
    FR SPORT LS1 Comp Cams 273LR HR-112 engine camshaft with detailed lobes and durable metal construction for performance upgrades.
  • Comp Cams 3/8" NUT

    Regular price $7.95 USD
    Regular price Sale price $7.95 USD
    FR SPORT Comp Cams 3/8 inch engine rocker arm nut, metal fastener with threading for engine assembly and performance upgrades.
  • Comp Cams HI-TECH PUSHROD 3/8 8.650

    Regular price $26.95 USD
    Regular price Sale price $26.95 USD
    FR SPORT Comp Cams HI-TECH 3/8 inch engine pushrod with 8.650 length, high-performance automotive engine component
  • Comp Cams CRB XE284H-10 Xtreme Energy

    Regular price $318.03 USD
    Regular price Sale price $318.03 USD
    FR SPORT Comp Cams CRB XE284H-10 Xtreme Energy engine camshaft with detailed metal gear and specifications visible in the image.
  • Comp Cams HI-TECH PUSHROD 3/8 9.300

    Regular price $255.15 USD
    Regular price Sale price $255.15 USD
    FR SPORT Comp Cams HI-TECH Engine Push Rod Set, 3/8 inch diameter, 9.300 inches length, high-performance automotive part
  • Comp Cams CRS XE275HL-10 CAM & LIFTER KIT

    Regular price $420.02 USD
    Regular price Sale price $420.02 USD
    FR SPORT Comp Cams CRS XE275HL-10 engine camshaft and lifter kit with metal components, designed for performance automotive engines.
  • Comp Cams 3/8 Magnum Pushrod 8.20

    Regular price $190.34 USD
    Regular price Sale price $190.34 USD
    FR SPORT Comp Cams 3/8 Magnum Pushrod Set for engines, featuring durable steel construction and precise fit for performance.
    Sold out
  • Comp Cams HI-TECH PUSH-ROD 3/8 9.850

    Regular price $253.65 USD
    Regular price Sale price $253.65 USD
    FR SPORT Comp Cams HI-TECH engine push-rod set, 3/8 inch diameter, 9.850 length, high-performance automotive parts
  • Comp Cams CS STREET & MARINE LIFTER

    Regular price $78.95 USD
    Regular price Sale price $78.95 USD
    FR SPORT Comp Cams CS Street & Marine engine valve lifter, durable automotive component for performance engines.
    Sold out
  • Comp Cams 1.550 Titanium Super Lock Retainer

    Regular price $488.64 USD
    Regular price Sale price $488.64 USD
    FR SPORT Comp Cams 1.550 Titanium Super Lock Retainer set for engine valve springs, showing titanium retainers and locking clips.
  • Comp Cams Camshaft Kit, Crb 279t H-107 T Thumpr

    Regular price $828.36 USD
    Regular price Sale price $828.36 USD
    Comp Cams Crb 279T H-107 T Thumpr engine camshaft kit with multiple cam lobes and timing components for performance upgrades.
  • Comp Cams Camshaft, Ls1 281lrr Hr-113

    Regular price $579.76 USD
    Regular price Sale price $579.76 USD
    FR SPORT Comp Cams LS1 281Lrr HR-113 engine camshaft showing detailed metal lobes and gear for automotive performance upgrades.