1978 GMC G-Series Performance Ignition Systems

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    • (0 reviews)
      # 826494471
      GMC G-Series 5.0L / 5.7L / 6.6L With HEI Distributor 1978, Performance Replacement™ Front Distributor by Accel®. Accel Performance Replacement Distributors are the perfect choice for your daily driver or street machine. Using all new...
      Cast aluminum housing with precision bearingEpoxy over mold with brass terminals
      $131.95 - $141.95
    • (0 reviews)
      # mpn1442975
      GMC G-Series 1978, Blaster™ HEI Direct Ignition Coil by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $80.32
    • (1 review)
      # 803886394
      GMC G-Series 1978, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug provides...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # mpn2126956
      GMC G-Series 5.0L / 5.7L 1978 Extreme Service™ Extreme Service Wire Set by Taylor Cable®. These .409" / 10.4mm diameter high-performance custom-fit ignition wires are built for street or track applications. Guarantee your engine a fat...
      100% silicone Pro-BootDouble spring locking terminal
      $196.45
    • (0 reviews)
      # mpn358502511
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Big Block Engine / With Chevy Small Block Engine 1978, Billet Distributor by Fast®. Due to a variety of changes and updates developed by the talented electrical engineers at FAST™, these...
      20 AWG, extreme-duty flexible-style wires for increased strength and durabilityRevised sensor placement and advanced plate sleeve designs create increased accuracy and reliability
      $356.94
    • (0 reviews)
      # mpn2286088
      GMC G-Series 1978, Front Super Coil by Accel®. Accel Super Coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to deliver 10-15 percent...
      10-15% More EnergyDirect Plug In Replacement Direct OE Fit
      $69.95
    • (0 reviews)
      # 826445572
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Big Block Engine / With Chevy Small Block Engine 1978, Race Billet Distributor by Fast®. The FAST™ Race Billet Distributors were designed to deliver the most accurate trigger signal possible...
      High quality at an affordable priceExpertly made from premium materials
      $325.19 - $328.20
    • (0 reviews)
      # mpn358582776
      GMC G-Series 1978, HEI Ignition Pro Coil by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to make your vehicle...
      Designed to deliver premium qualityRight for your vehicle and lifestyle
      $60.32
    • (0 reviews)
      # 906174684
      GMC G-Series 5.0L / 5.7L / 6.6L 1978 Spark Plug Wire Set by Accel®. These Accel 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while providing maximum conductivity for ultimate performance in any race or...
      8000, 8800, & 8900 Series, 550°F-rated8.8mm yellow high temperature silicone jacket
      $83.30 - $93.03
    • (0 reviews)
      # mpn1486060
      GMC G-Series 5.0L China Manufactured 1978, Street Fire™ Distributor by MSD®. CARB Approval Pending. For value conscious enthusiasts, the Street Fire HEI is a great choice! We know the importance of a centrifugal advance in a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $161.95
    • (0 reviews)
      # 803876461
      GMC G25 / G35 1978, Performance Nickel Spark Plug by Nitrode®. The Nitrode™ spark plugs are positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and emissions while...
      The Nitrode™ is made with a proprietary ceramic exclusively used for this spark plugThis unique ceramic is over 10% harder than any ceramic known today
      $8.09
    • (0 reviews)
      # 86809183
      GMC G-Series 1978 Super Conductor Spark Plug Wire Set by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $88.89 - $112.95
    • (0 reviews)
      # mpn4494108620
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Engine 1978, HEI Distributor by Speed FX®. With Small Cap. With Ignition Control Module, Magnetic Trigger, Vacuum Advance, Chromoly Steel Gear, Polished Billet Aluminum Shaft, With...
      Provides effective power supply to each spark plugDesigned to strict quality standards
      $97.51
    • (0 reviews)
      # 826545893
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Flame-Thrower™ Automotive Billet Distributor by PerTronix®. Plug n' Play billet distributors are designed for maximum ignition performance at a price you can...
      Limited 1 year mechanicalDigital performance solutions give you more power and more features in a smaller package
      $265.05 - $352.77
    • (0 reviews)
      # 826433639
      GMC G-Series 5.0L / 6.6L USA Manufactured 1978, Pro-Billet™ Distributor Standart by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Designed for street/performance use with a mechanical and vacuum advanceEasy-to-adjust mechanical advance with supplied springs and stop bushings
      $268.95 - $421.95
    • (0 reviews)
      # 87800353
      GMC G-Series 1978 Street Thunder™ Ignition Wire Set by Taylor Cable®. Get great performance at an extremely affordable price with Taylor’s Street Thunder ignition wires. These 8mm wires deliver all of the performance in your street...
      Low-resistance Kevlar helically spiral wound core conductor500 ohms resistance for EMI and RFI suppression
      $30.66 - $43.87
    • (0 reviews)
      # 89586909
      GMC G-Series 1978 Super Stock™ Spark Plug Wire Kit Under Exhaust Manifold by Accel®. With Retention Nipple. These Accel Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy...
      8 mm SpiralStainless Steel Spark Plug Terminals
      +1
      $52.99 - $59.48
    • (0 reviews)
      # mpn2281751
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Brute Thunder™ Front HEI In-Cap Super Coil by Accel®. Brute Thunder is Accel's highest output GM style HEI in-cap coil, period! More energy at RPM, no loss at idle. Compatible with both original...
      10-15% More EnergyDirect Plug In Replacement Direct OE Fit
      $69.95
    • (0 reviews)
      # 826553130
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Power Pack Ignition Kit by TSP®. TSP's Power Pack Ignition Kit delivers high quality ignition components, all in one retail-friendly display box. It includes Pro...
      Designed for ultra high efficiencyProvides better performance
      $340.98
    • (0 reviews)
      # 803907653
      GMC G-Series 1978, U-Groove™ Copper Spark Plugs by Accel®. Designed utilizing the latest technology, this product by Accel features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $11.55 - $32.43
    • (0 reviews)
      # 803888332
      GMC G-Series 1978, Copper Spark Plug by Autolite®. With Resistor. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)Multi-rib insulator reduces danger of "flash-over"
      $1.64 - $1.96
    • (0 reviews)
      # 898231143
      GMC G-Series 1978, Premium Racing LGS Spark Plug by Brisk®. Brisk Premium LGS spark plug has been developed after two-year cooperation with Lamborghini Morori Marini. Brisk Premium LGS spark plug utilizes extremely long glide-spark and...
      High-Potential Semi-Surface discharge equals more powerDischarge at the point of richest mixture in 360° perimeter
      $13.99
    • (0 reviews)
      # 89586890
      GMC G-Series 1978 300+™ Spark Plug Race Wire Set Over Valve Cover by Accel®. These Accel 300+ wire sets are custom tailored for race engines and their builders. The oversize 8.8mm wire is rated for 600 degrees F and 60kV. Resists...
      150 ohms per foot8.8mm oversize silicone jacket
      $109.95
    • (0 reviews)
      # 906263120
      GMC G-Series 1978 Armor Shield Spark Plug Wire Set by Accel®. Accel Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a Pro Street look. Armor Shield Wire sets enhance the appearance...
      8mm, 450°F-ratedPro-street applications
      $86.54 - $89.79
    • (0 reviews)
      # 960711733
      GMC G-Series 1978 Armor Shield™ Armor Shield Spark Plug Wire Set by Accel®. Accel Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a Pro Street look. Armor Shield Wire sets enhance...
      8.8 mm Carbon GraphiteBraided Custom Hot Rod Look
      $86.68
    • (0 reviews)
      # mpn4511860761
      GMC G-Series 4.1L / 4.8L 1978 Endurance Plus™ Wire Set by Accel®. Endurance Plus quality ignition wire sets are ready to install for most popular engine applications. Get these top-notch spark plug wires to achieve maximum performance...
      Quality retail aftermarket wire setsMaximum voltage and starting power
      $15.50
    • (0 reviews)
      # 209759377
      GMC G-Series 1978 Prestolite ProConnect™ Spark Plug Wire Set by Accel®. ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables match the original color and are designed to provide...
      Carbon impregnated fiberglass coreFiberglass braid for added strength
      $30.02 - $33.24
    • (0 reviews)
      # mpn2270595
      GMC G-Series 5.0L / 5.7L / 6.6L 1978 Super Stock™ Spark Plug Wire Set Over Valve Cover by Accel®. These Accel Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good...
      7 mm And 8 mm High Gloss Silicone Jacket450 F Rated Silicone Jacket
      $40.01
    • (0 reviews)
      # 87251340
      GMC G-Series 1978 Street-Fire™ Spark Plug Wire Set by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $40.66 - $44.96
    • (0 reviews)
      # 906200014
      GMC G-Series 1978 409 Pro Race™ Ignition Wire Set by Taylor Cable®. Taylor’s biggest ignition wire is available in red or blue, in custom sets designed to fit muscle cars, performance cars, sports, compacts and truck applications....
      Available For Street Or Track ApplicationsContinuous Heat Protection Up To 600 deg. F
      $125.30 - $131.31
    • (0 reviews)
      # mpn2118969
      GMC G-Series 5.0L / 5.7L / 6.6L 1978 High Energy™ Ignition Wire Set by Taylor Cable®. These wires are a top choice for either street or race applications. Each wire is cut to length and terminated with Taylor’s low-profile silicone...
      Available For Street Or Track ApplicationsHigh Temperature and Oil Resistant Wire Insulation
      $31.33
    • (0 reviews)
      # 906118767
      GMC G-Series 1978 Spiro-Pro™ Ignition Wire Set by Taylor Cable®. These plug wires are the top choice of racers and street enthusiasts for their high performance at an affordable price. With two layers of 100% silicone jacketing and...
      8mm outer insulationSpiro-Pro wire with conductive spiral-wound core
      $64.27 - $82.00
    • (0 reviews)
      # 906286076
      GMC G-Series 5.0L / 5.7L / 6.6L 1978 Street™ Street Ignition Wire Set by Taylor Cable®. Taylor's 8mm Spiro-Pro wire and stainless braided covering with polished aluminum boot protectors will provide an amazing accent in your engine...
      8mm silicone wire100% Silicone boots w/SS dual-spring connectors
      $88.24 - $194.85
    • (0 reviews)
      # 906274960
      GMC G-Series 5.0L / 5.7L / 6.6L 1978 ThunderVolt™ Performance Performance Ignition Wire Set by Taylor Cable®. Gain horsepower and torque with Taylor’s Dyno-proven ThunderVolt racing plug wire sets. Low resistance for healthy spark...
      Exclusive copper/nickel alloy bonded by a conductive acrylic coverFerrite spiral-wound core provides low resistance for optimum RFI and RMI suppression
      +2
      $69.27 - $71.42
    • (0 reviews)
      # 688229857
      GMC G-Series 1978, Race Coil by Performance Distributors®.
      Built to match your exact requirementsHigh quality you can rely on
      $73.91 - $111.12
    • (1 review)
      # 826405008
      GMC G-Series 1978, 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
      $55.61 - $73.17
    • (0 reviews)
      # 826575637
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Pro Series Pro-Billet™ Distributor by TSP®. TSP's Pro Series Pro Billet Distributor is for the racer who needs added spark and precision for their high...
      Designed for ultra high efficiencyProvides better performance
      $105.18 - $109.76
    • (0 reviews)
      # 826480786
      GMC G-Series 1978, Pro Series™ Ready To Run Distributor by TSP®.
      Designed for ultra high efficiencyProvides better performance
      $119.21 - $124.39
    • (0 reviews)
      # 826568069
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Pro-Billet™ Distributor by TSP®. W/O Coil. TSP's Pro Billet distributor is designed to get the job done. They say there is beauty in simplicity - well, this...
      Designed for ultra high efficiencyProvides better performance
      $53.35
    • (0 reviews)
      # 826444272
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Ready To Run Distributor by TSP®. W/O Coil. TSP's Ready to Run distributor is designed for easy installation. With the included ignition module, all you'll need...
      Designed for ultra high efficiencyProvides better performance
      $53.35
    • (0 reviews)
      # 826464048
      GMC G-Series 5.0L / 5.7L With Chevy Small Block Gen I Engine 1978, Street Ignition Kit by TSP®. TSP's Street Ignition Kit delivers high quality ignition components, all in one retail-friendly display box. It includes Pro Series Pro...
      Designed for ultra high efficiencyProvides better performance
      $275.12
    • (0 reviews)
      # 826522962
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Flame-Thrower™ HEI Race Distributor by PerTronix®. Race HEI distributors feature an electronic module and 50,000 volt coil combination that optimizes spark...
      New lightweight aluminum alloy housingHigh dielectric strength cap with brass terminals and low resistance coil brush
      $293.01
    • (0 reviews)
      # 826392832
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Small Block Gen I Engine 1978, Flame-Thrower™ Magnetic Trigger Billet Distributor by PerTronix®. Magnetic trigger billet distributors are built using the same great platform they use for plug...
      Precision magnetic pickup coil and reluctor offer extremely accurate signaling at low and high RPMSpecially engineered reluctor made from lightweight FC-0208 alloy offers superior dimensional stability for symmetrical spark separation
      $244.73 - $339.13
    • (0 reviews)
      # 826443411
      GMC G-Series With Prestolite IBM-7011, C, D Distributor 1978, Ignitor by PerTronix®. For over forty years, the Ignitor has proven itself in applications ranging from race cars to tractors. The Ignitor replaces breaker points and...
      Delivers twice the voltage to the spark plugs, increasing horsepower, fuel economy, and spark plug life2:1 improvement over "points" in current fall time for increased coil output
      $97.44
    • (0 reviews)
      # 826511808
      GMC G-Series 5.0L / 5.7L / 6.6L With Chevy Big Block Engine / With Chevy Small Block Engine 1978, Pro Race™ Circle Track Distributor by Fast®. When it comes to high end circle track racing where engines demand the most accuratetiming...
      The most accurate and advanced distributor for racingApproved for use in NASCAR competition
      $766.53
    • (0 reviews)
      # 717901413
      GMC G-Series With Pontiac Engine 1978, 2 EFI Ignition Control Kit by Edelbrock®. Now you can get the ultimate control of your engine when using the expanded ignition timing control feature of E-Street 2 EFI. This new feature gives you...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $334.95
    • (0 reviews)
      # 1055006566
      GMC G-Series 5.0L / 5.7L With Chevy Small Block Engines 1978, HEI Distributor with Coil and Cap by AllStar Performance®. Distributors have high output coils and adjustable vacuum advances, perfect for upgrading stock HEI distributors...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $5.69 - $144.99
    • (0 reviews)
      # 717874368
      GMC G-Series With HEI Stock Distributor 1978, GM Module by PerTronix®. Performance ignition modules are direct replacements for popular GM and Ford electronic distributors. These modules provide enhanced high RPM performance and when...
      Intended for street / strip applications67% more energy with a 45% faster spark breakdown over stock HEI distributors
      $59.25
    • (0 reviews)
      # 717893369
      GMC G-Series With HEI Stock Distributor 1978, GM Race Module by PerTronix®. Performance ignition modules are direct replacements for popular GM and Ford electronic distributors. These modules provide enhanced high RPM performance and...
      Designed for racing applicationsOptimized for 6000 to 8500 RPM range
      $75.74
    • (0 reviews)
      # mpn2367668250
      GMC G15 / G25 / G35 1978, HEI Ignition Module by Proform®. High-Performance. Direct Replacement For Factory Unit. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need....
      $23.38
    • (0 reviews)
      # 987615537
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Smoothie™ Horizontal Wire Loom Kit by Made 4 You®. Lays the wires out parallel to the valve cover. This top-grade product is expertly made in compliance with stringent industry standards to offer...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      +1
      $34.95 - $41.07
    • (0 reviews)
      # 987603606
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Smoothie™ Vertical Wire Loom Kit by Made 4 You®. Made 4 You most popular style for mounting on valve covers, allowing the separators to be positioned vertically instead of horizontally. Adjustable...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      +1
      $34.95 - $41.07
    • (0 reviews)
      # 904804324
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Extreme Output Dust Cover by MSD®. With Modified HEI dust cover you can remove the stock HEI coil in your distributor cap and replace it with an externally mounted coil. You increase the reliability...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.38 - $42.82
    • (0 reviews)
      # mpn4515293445
      GMC G-Series 5.0L / 5.7L With Chevy Small Block Engines 1978, Low Profile Distributor Hold Down by AllStar Performance®. Strong, steel hold-down clamp with gold iridite finish fits small and big block Chevy V8 and 90 Deg. Chevy V6. Flat...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $11.99
    • (0 reviews)
      # mpn2286107
      GMC G-Series 5.0L / 5.7L / 6.6L With HEI Distributor With Vacuum Advance 1978, Front Adjustable Vacuum Advance by Accel®. This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps...
      Adjustable Vacuum AdvanceDetailed Instructions
      $27.02
    • (0 reviews)
      # 826437411
      GMC G-Series 1978, Front Distributor Cap and Rotor Kit by Accel®. Accel cap and rotor kits offer superior protection from "arc-thru" and crossfire. Features 60k V-rated alkyd compound, stress-relieved at molding to ensure stability....
      Accel's precision-ground, highly polished compression and injection molding equipment for superior qualityHigh performance 60kV-rated tan alkyd molding compound (mineral filled polyester for late model Ford and GM parts) for superior protection from "arc-thru" and crossfire
      $25.94 - $33.52
    • (0 reviews)
      # 905721993
      GMC G-Series 1978, Front Distributor Control Module by Accel®. This high performance ignition module provides your plugs with more spark over the stock module. The solid state electronics provide high coil out put and superior...
      Fits Most Stock And Modified DistributorsDwell Control Circuit
      $46.49
    • (0 reviews)
      # 826489614
      GMC G-Series 5.0L / 6.6L 1978, Distributor Cap by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.17 - $46.03
    • (0 reviews)
      # mpn1471523
      GMC G-Series 5.0L / 6.6L China Manufactured 1978, Distributor Cap and Rotor by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.17
    • (0 reviews)
      # mpn1471521
      GMC G-Series 5.0L / 6.6L USA Manufactured 1978, Distributor Cap and Rotor Kit by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $72.82




    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

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      The Benefits of a Performance Ignition Distributor
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      Understanding The Different Types Of Spark Plugs
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