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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  • For Buick Regal Envision Cadillac ATS CT6 Chevrolet Malibu Impala GMC Canyon Acadia 2013-202 New 12654078 Car Ignition Coil

    Regular price From $41.37 USD
    Regular price $0.00 USD Sale price From $41.37 USD
    GM Service Guy ignition coil for Buick Regal, Cadillac ATS, Chevrolet Malibu, GMC Canyon, 2013-2023 vehicle engine ignition part
  • Ignition Coil For GMC Acadia Terrain Canyon Cadillac ATS CTS SRX STS XTS V6 3.6L Buick Allure 3.0L UF569 12618542 12632479

    Regular price From $66.68 USD
    Regular price $0.00 USD Sale price From $66.68 USD
    GM Service Guy ignition coil for GMC Acadia, Terrain, Canyon, Cadillac ATS, CTS, SRX, XTS, Buick Allure 3.0L, V6 3.6L engine
  • Comp Cams Camshafts 1963-1979 Cadillac 425, 472, 500 C.I. 8 Cyl.

    Regular price $493.13 USD
    Regular price Sale price $493.13 USD
    FR SPORT engine camshaft for 1963-1979 Cadillac 425, 472, 500 C.I. V8 engine, showing detailed metal lobes and durable construction.
  • ATI Performance Products Crank Hub- ST - Cadillac CTSV

    Regular price $167.94 USD
    Regular price Sale price $167.94 USD
    ATI Performance Products crankshaft hub for Cadillac CTSV, engine crankshaft hub, compatible with Chevy Super Damper, by FR SPORT
  • Comp Cams Outer Single Valve Springs w/ Dampner 1.250

    Regular price $105.54 USD
    Regular price Sale price $105.54 USD
    FR SPORT Comp Cams outer single valve springs with damper for 1.250-inch valves, engine valve spring kit, detailed close-up image.
  • Comp Cams ROCKER ARMS, CS 1.52 7/16 ULTRA PRO MAG

    Regular price $287.13 USD
    Regular price Sale price $287.13 USD
    Comp Cams Ultra Pro Mag engine rocker arms kit with 1.52 ratio, 7/16 inch size, designed for high-performance engine upgrades.
    Sold out
  • Comp Cams ROCKER ARM, HI-ENERGY CS 1.5 NITRIDED

    Regular price $226.12 USD
    Regular price Sale price $226.12 USD
    FR SPORT Comp Cams Hi-Energy CS 1.5 Nitrided Engine Rocker Arm Kit with durable metallic finish and precise engineering.
  • Comp Cams Magnum Timing Sets, Chevy 396-454 '65-91

    Regular price $116.36 USD
    Regular price $116.36 USD Sale price $116.36 USD
    Comp Cams Magnum engine timing set for Chevy 396-454 V8 engines, featuring precision components for vintage and late-model cars.
  • Comp Cams CB 324IR-10

    Regular price $599.66 USD
    Regular price Sale price $599.66 USD
    FR SPORT Comp Cams CB 324IR-10 engine camshaft showing detailed metal construction and cam lobes for automotive performance.
  • Comp Cams OE-Style Lifter Install Kit, 87-93 Non-Vortec, Chevrolet Small Block

    Regular price $185.43 USD
    Regular price Sale price $185.43 USD
    Comp Cams OE-Style Lifter Install Kit for Chevrolet Small Block engines, includes valve lifter guide components for 87-93 non-Vortec models.
  • Comp Cams 1.240 BEEHIVE SPRING

    Regular price $263.73 USD
    Regular price Sale price $263.73 USD
    Comp Cams 1.240 Beehive Valve Spring Kit for engine valves, featuring high-performance FR SPORT brand springs.
  • Comp Cams Magnum Pushrods: 5/16" Diameter, 7.200" Length CS

    Regular price $172.58 USD
    Regular price Sale price $172.58 USD
    FR SPORT Comp Cams Magnum Pushrods set with 5/16" diameter and 7.200" length, engine push rod set, close-up of metal rods.
  • Comp Cams CS 7/16 STUD GIRDLE KIT

    Regular price $357.78 USD
    Regular price Sale price $357.78 USD
    FR SPORT Comp Cams CS 7/16 Stud Girdle Kit for engine rocker arm studs, shown installed on engine components.
  • Comp Cams CS 3/8 STUD GIRDLE KIT

    Regular price $357.78 USD
    Regular price Sale price $357.78 USD
    FR SPORT Comp Cams CS 3/8 stud girdle kit for engine rocker arms, shown with metal components and mounting hardware.
  • Comp Cams Cs Hi-tech Roller Set

    Regular price $93.42 USD
    Regular price Sale price $93.42 USD
    FR SPORT Comp Cams Hi-tech Roller Engine Timing Set showing metal gears and rollers for engine performance.
  • Comp Cams Cs Magnum Roller Rocker

    Regular price $181.43 USD
    Regular price Sale price $181.43 USD
    FR SPORT Comp Cams Cs Magnum Roller Rocker Engine Rocker Arm Kit showing black metal rocker arms with mounting hardware.