1966 GMC I-Series Performance Parts

Show items:
Sort by:
    • (0 reviews)
      # 1022081091
      GMC I-Series 1966, Hugger Exhaust Headers by Sanderson Headers®. Emissions: EPA compliant. This top-notch product by Sanderson Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost...
      $325.00 - $595.00
    • (6 reviews)
      # 981020636
      Universal Brushed Aluminum T-Handle by Hurst Shifters®. The Hurst Brushed T-Handle is made of die cast aluminum. Solid body and bold HURST identification adds a stylish touch to your race shifter. T-Handle comes complete with adapters...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $34.23 - $67.97
    • (0 reviews)
      # 97686353
      GMC I1000 / I1500 1966, MonoMax™ Driver or Passenger Side Shock Absorber by KYB®. Quantity: 1 per Pack. Tough conditions demand tough truck shocks. The large bore KYB MonoMax provides the additional stability that heavier, more...
      $62.75 - $71.99
    • (7 reviews)
      # 761133373
      Intake Ram Air Kit by Weapon-R®. If you’re hungry for more power, performance and torque, this top-of-the-line intake system is sure to blow you away. This high-flow design of this premium intake allows your engine work more...
      Brings a cold intake charge to the engineComputer designed
      $57.12
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # mpn4478773922
      Universal User Configurable LCD Dash Display by Auto Meter®. Designed specifically for the harshest of environments, the carbon composite housing is IP65 sealed against water and dust intrusion and will easily withstand 20g of...
      7.0” TFT LCD panel, 1000 nit brightness for unmatched daytime and nighttime visibility with 800x480 resolution. Onboard photo sensor for automatic brightness controlDimensions - 8.3" Wide x 5.2" High x 1.4" Deep
      $2,832.00
    • (0 reviews)
      # 1341259062
      GMC I-Series 1966, Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $5.80 - $6.02
    • (1 review)
      # 60685093
      GMC I-Series 1966, Rapid-Cool™ Reversible Fan Kit by Hayden®. This product can be used for either primary or add-on cooling. The Hayden Rapid-Cool fan features a thin, aerodynamic profile and reversible push/pull blades. The fan comes...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $55.93 - $61.57
    • (0 reviews)
      # 87539135
      GMC I-Series Automatic Transmission 1966, Circle Track FastLap Torque Converter by TCI®. Looks aren’t everything…but with regards to torque converters, they can hide the secret to winning races. For sanctioning bodies that mandate...
      Satisfy requirements of “stock appearing” converterDesigned with positive lock-up stall speed to eliminate approximately 10% of power robbing slippage
      $293.75 - $370.25
    • (3 reviews)
      # 710217257
      GMC I-Series 1966, Conventional Restricted Class Nitrous System by Nitrous Express®. The conventional RNC (Restricted Nitrous Class) systems are the 1st choice For professional racers that are limited by jet size. This product is made...
      200-600 WHP10 lb. Bottle
      $1,152.96
    • (0 reviews)
      # 826420003
      GMC I-Series 1966, HEI Distributor by TSP®. With Coil. TSP's HEI Distributor has everything you need, all under one cap. With a high-quality aluminum housing and hardened steel dual bushing construction, it is built to last. It features...
      Designed for ultra high efficiencyProvides better performance
      +1
      $73.17
    • (1 review)
      # 1090211116
      Vega Gear Box by Helix®. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering part that is engineered to be second to none when it comes...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $227.99 - $731.45
    • (0 reviews)
      # 211238575
      GMC I-Series 1966, S Series Racing Alternator by Mechman Alternators®.
      Cast aluminum constructionCutting edge 6 phase hairpin epoxy reinforced stator technology
      $349.00 - $399.00
    • (0 reviews)
      # 692959965
      GMC I-Series Automatic Transmission 1966, Slip Yoke by PST®. Pick out rock-proof Yokes and components designed to provide unbridled strength and durability to handle the high levels of power and torque coming from your modified engine...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $41.63 - $76.68
    • (0 reviews)
      # 48222560
      Club X-1 Full Face ATM (Advance Thermo Material) Racing Helmet by Sparco®. Certification: ECE 05; Material: ATM (Advance Thermo Material) Designed for indoor kart racing where a fire proof helmet isn't required, this product is...
      Designed for indoor kart racingProvides ultimate protection
      $140.00
    • (0 reviews)
      # mpn4478205127
      GMC I1000 / I1500 / I2500 / I3500 Automatic Transmission 1966, 304 SS Natural LS Turbo Crossover Tube by Hooker®. Material: 304 SS. Emissions: Racing Only. This product is made of high-quality materials to serve you for years to come....
      Choose Cross-Over Tube Based on Type of Transmission & Bell-HousingCross-Over Tubes Are 16 Gauge, Mandrel Bent 304 Stainless Steel & Include a Flex Joint & V-Band Flanges
      $199.95
    • (6 reviews)
      # 981020639
      Universal Polished Aluminum T-Handle by Hurst Shifters®. The Hurst Chrome Universal T-Handle is made of die cast aluminum. Solid body and bold HURST identification adds a stylish touch to your race shifter. T-Handle comes complete with...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $42.99 - $67.97
    • (0 reviews)
      # 36082104
      GMC I-Series 1966, Gas-Magnum™ Driver or Passenger Side Shock Absorber by Monroe®. Quantity: 1 per Pack. These shock absorbers are designed specially for vans and pickup trucks. Monroe Gas-Magnum assemblies provide firm control and...
      $27.23 - $28.44
    • (0 reviews)
      # 1079757761
      4500 Drop Base Air Cleaner by Holley®. Does your engine need LOTS of fresh air? Holley is proud to offer a breath of fresh air with our new 16x6” drop-base 4500 air cleaner assemblies and filters. The 6” assemblies are available...
      Open element styleAvailable with low restriction washable red gauze element
      $154.95
    • (0 reviews)
      # mpn4478772999
      Universal Display Control Module Touchscreen Handheld by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $385.70
    • (0 reviews)
      # 954135166
      GMC I-Series 1966, A-Series™ OE Replacement Connecting Rod Bearing Set by Clevite®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $33.73
    • (0 reviews)
      # 608829484
      GMC I-Series 1966, Direct-Fit Crossflow Module by Be Cool®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $1,299.99 - $2,499.99
    • (0 reviews)
      # 568044648
      GMC I1000 / I1500 / I2500 / I3500 Automatic Transmission 1966, Pro Bandit™ Automatic Shifter by B&M®. Milled from a 7-pound block of billet aluminum, the Pro Bandit shifter features an easy to operate gate type mechanism. Designed as...
      Fully polished/clear bright anodizedNarrow design with no knobs
      $509.99 - $528.37
    • (0 reviews)
      # 1078558942
      Silver EFI Fuel Tank System by Sniper®. Enjoy superior performance by getting this premium-grade Sniper product that is throughly engineered to help take the performance of your fuel system to the next step delivering unprecedented...
      Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials
      $549.95 - $629.95
    • (0 reviews)
      # 826373173
      GMC I-Series 1966, Pro Series™ Ready To Run Distributor by TSP®. Without Coil. TSP's Pro Series Ready to Run Distributor is perfect for a street performance ignition upgrade. It features a CNC-machined billet aluminum body and...
      Designed for ultra high efficiencyProvides better performance
      $124.39
    • (0 reviews)
      # mpn3990109742
      Vega Manual Steering Gear Box Kit by Helix®. This box offers new bearings and gears for smooth, comfortable steering. Provides a smooth, natural steering wheel return. If you are looking to upgrade the steering system of your vehicle to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $514.84
    • (0 reviews)
      # 985154426
      Universal Advanced Lightweight 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Batteries have always presented the same problems of weight, safety, and cost. In racing, aerospace, and advanced technology...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $149.99 - $229.99
    • (0 reviews)
      # 1190758590
      GMC I1500 with 30 Spline with Dana 44 Series Axle 1/2 Ton 1966, Front Differential Locker by Aussie Locker®. The Aussie Locker is the most advanced "traction added" Automatic Precision Locker in the world today. Specifically designed...
      High quality at an affordable priceExpertly made from premium materials
      $289.75
    • (0 reviews)
      # 69025922
      110 Series Single Layer Racing Suit by RaceQuip®. Avaliable in Colors: Black, Blue, Red. Get superior durability and comfort combined with overall flame and heat protection. Strong construction and advanced sewing techniques make this...
      Ensures heat and fire protectionGentle fabric provides superior comfort
      $99.95 - $139.95
    • (0 reviews)
      # mpn3557984085
      GMC I-Series 1966, Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $42.20




    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 1966 GMC I-Series with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 1966 GMC I-Series that has been waiting to be released!


    • Add Power to Your Jeep
      Fuel Up Your Success
    • Take Your Braking to a New Level
    • When the Best Gets Better
      The Performance & Sound to Thrill

    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Performance Brakes, Pads & Rotors
      August 10, 2018
      When Is It Time To Replace My Brake Lines?
      Hydraulic brake lines and hoses aren’t something most people think about when it comes to vehicle maintenance. That’s understandable, considering automakers...
      by Michael Grayen
    • Performance Brakes, Pads & Rotors
      August 09, 2018
      When Is It Time To Replace My Brake Calipers?
      Brake calipers, found only on disc brake systems, house pistons which use the force of hydraulic brake fluid to stop the vehicle. More specifically, those pistons...
      by Timothy Zahl
    • Suspension
      August 08, 2018
      When Is It Time To Replace My Vehicle's Springs?
      The springs on your vehicle are an integral part of its suspension system. Not only do springs keep all four corners suspended at a pre-determined, level ride height,...
      by Richard Reina
    • Starting & Charging
      August 03, 2018
      When Is It Time To Replace My Alternator?
      Bolted to an engine block and powered by a belt-driven pulley, an alternator is in motion whenever the engine is running. Essentially, a vehicle's battery is tasked...
      by Michael Grayen
    • Performance Suspension Parts
      July 11, 2018
      When Is It Time To Replace My Suspension Bushings?
      Maybe you remember being pushed along in a wheelbarrow during childhood. The ride was bone-jarring - even with an air-filled rubber tire cushioning against the rough...
      by Timothy Zahl
    • Engines
      May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
      by Richard Reina
    • Engines
      May 09, 2018
      How Does An Internal Combustion Engine Work?
      An engine that uses liquid fuel to create energy, such as an internal combustion engine, is basically a large air pump. Cool air is drawn in, mixed with the fuel of...
      by Timothy Zahl
    • Engines
      May 02, 2018
      Glossary Of Engine External Parts
      Internal combustion engines are extremely complex and feature a wide array of components that rotate, pump, pressurize, or seal. Many of these components, while...
      by Timothy Zahl
    • Performance Engine Parts
      April 20, 2018
      What You Need When Rebuilding Or Replacing An...
      So you’ve decided to take on the project of rebuilding or replacing your vehicle’s engine. Modern internal combustion engines are quite complex – with a wide...
      by Richard Reina
    • Shift Knobs
      January 19, 2018
      Shopping Guide – Shift Knobs
      The knob at the end of your gearshift lever probably isn't something that most people notice when getting into your car or truck. But for a minimal cost, it can be. We...
      by Timothy Zahl
    • Running Boards
      November 29, 2017
      Shopping Guide - Running Boards
      Running boards date as far back as the automobile itself, being integrated into car and truck designs until falling out of favor after World War II. With the boom in...
      by Timothy Zahl
    • Off-Road Bumpers
      November 28, 2017
      Shopping Guide – Off Road Bumpers | Custom...
      There's a saying that advises out of all the paths you take in life, it's important to make sure a few of them are dirt. But while dirt can be found most anywhere you...
      by Timothy Zahl

    Popular Products



    1966 GMC I-Series Performance Parts Reviews

    Average rating:  4  4 - 2 reviews
    3.5 of 5
    It Was To Small
    It was to small had to take it get fitted and cut down.
    Posted by Charles Barber (Cape Girardeau, MO) / March 13, 20182007 Chevy Avalanche
    Was this review helpful for you? Yes
    View More
    1966 GMC I-Series Models
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING