Ignition Systems

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    • (0 reviews)
      # 1020881064
      GMC Topkick 7.4L 1999 High Temperature Spark Plug Wire Set by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $258.40
    • (0 reviews)
      # 960808682
      GMC Topkick 7.4L With Square Coil Stamped 12558693 (10.5 in. leads) 1999 Prestolite ProConnect™ Spark Plug Wire Set by Accel®. ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables...
      Carbon impregnated fiberglass coreFiberglass braid for added strength
      $38.12
    • (0 reviews)
      # 1020792046
      GMC Topkick 7.4L 1999 High Temperature Spark Plug Wires by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition wires...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $220.40
    • (0 reviews)
      # 1016986794
      GMC Topkick 1999, HEI Distributor with Coil and Cap by AllStar Performance®. Distributors have high output coils and adjustable vacuum advances, perfect for upgrading stock HEI distributors for higher RPM. Fit small and big block Chevy...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $5.69 - $144.99
    • (0 reviews)
      # mpn4499447025
      GMC Topkick 7.4L 1999 Coil Extension Harness by PSI®. Extensions are 36" long and ideal for relocating coils on the firewall when using custom valve covers on your engine. All extensions feature GM Delphi components and high temp TXL...
      Designed for ultra high efficiencyEasy out-of-the-car access for an ancillary wiring
      $45.00
    • (0 reviews)
      # 906643849
      GMC Topkick 7.4L 1999 Coil Sub-Harness by PSI®.
      Designed for ultra high efficiencyEasy out-of-the-car access for an ancillary wiring
      $45.00
    • (0 reviews)
      # 987616138
      GMC Topkick 7.4L 1999, 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 a fusion of a...
      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)
      # 987603548
      GMC Topkick 7.4L 1999, 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 to allow wires...
      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)
      # mpn4515293445
      GMC Topkick 7.4L 1999, 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 design provides extra distributor...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $11.99
    • (0 reviews)
      # 1037893022
      GMC Topkick 1999, Replacement Coil Cover by AllStar Performance®. Distributors have high output coils and adjustable vacuum advances, perfect for upgrading stock HEI distributors for higher RPM. Fit small and big block Chevy (except 348...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $9.99
    • (0 reviews)
      # mpn3557984045
      GMC Topkick 7.4L 1999, Distributor Bolt Kit by Stage 8®. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $7.03
    • (0 reviews)
      # 1037875040
      GMC Topkick 1999, Replacement Wire Retainer by AllStar Performance®. Distributors have high output coils and adjustable vacuum advances, perfect for upgrading stock HEI distributors for higher RPM. Fit small and big block Chevy (except...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $6.49
    • (0 reviews)
      # mpn4254009282
      GMC Topkick 7.4L With Flame-Thrower HEI Distributor 1999, Wire Harness and Capacitor by PerTronix®. From replacement wiring harness to adjustable vacuum advance canisters, lockout kits and mechanical advance kits, they have the parts to...
      Digital performance solutions give you more power and more features in a smaller packageInnovative technology for superior operation and rugged dependability under harsh conditions
      $24.58
    • (0 reviews)
      # 990449837
      GMC Topkick 7.4L 1999, Distributor Hold Down by AllStar Performance®. Aluminum hold-down keeps distributor secured at high RPM. Stainless steel stud, nut and washer are included. This top-grade product is expertly made in compliance...
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $28.99
    • (0 reviews)
      # mpn4486063459
      GMC Topkick 7.4L 1999, Professional™ Double Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $7.21
    • (0 reviews)
      # mpn4486063138
      GMC Topkick 7.4L 1999, Professional™ Rapidfire Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $4.16
    • (0 reviews)
      # mpn2341146
      GMC Topkick 7.4L 1999, Iridium Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      Champion Iridium - Maximum Performance. Premium Spark PlugIridium center electrode delivers maximum life
      $5.12
    • (0 reviews)
      # 524005765
      GMC Topkick 7.4L 1999, Platinum Power™ Spark Plug by Champion®. With a platinum tip welded to a nickel alloy center electrode, these spark plugs provide superior wear characteristics. Combining a thin-wire center electrode with a...
      Platinum center electrode reduces gap growth, lowering the voltage requirements, in turn reducing the chance of misfireThin center electrode and v-trimmed ground electrode enhance ignitability and reduce quenching
      $2.18 - $4.66
    • (0 reviews)
      # mpn524417635
      GMC Topkick 7.4L 1999, Pro Series™ Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $23.50
    • (0 reviews)
      # 218620370
      GMC Topkick 7.4L 1999, Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $24.63 - $86.14
    • (0 reviews)
      # mpn4254431720
      GMC Topkick 7.4L with Distributorless Ignition 1999, Ignition Coil by Spectra Premium®. Spectra Premium ignition coils are designed and produced under a strict TS16949 quality control process. At CARiD you can get this superior...
      All ignition coils are durability tested at 100 cycles of thermal shock (-50 to 300° F), to ensure reliability from extreme vibration24 hours salt spray test ensures sensors provide high corrosion resistance
      $27.92
    • (0 reviews)
      # mpn4252245487
      GMC Topkick with 12 Volt System 1999, Ignition Coil by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Standard ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdownStandard premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
      $36.36
    • (0 reviews)
      # mpn4256315620
      GMC Topkick 1999, Ignition Coil by WAI Global®. Designed utilizing the latest technology, this product by WAI Global 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
      $18.27
    • (0 reviews)
      # mpn914874903
      GMC Topkick 7.4L 1999, GM Original Equipment™ Ignition Distributor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $182.06
    • (0 reviews)
      # mpn183863
      GMC Topkick 7.4L 1999, Remanufactured Electronic Ignition Distributor by A1 Cardone®. Without Coil Wire, Distributor Cap, Ignition Rotor, Electronic Module, Integrated Ignition Coil. Automated test equipment verifies signal strength,...
      50-state emissions street legalThe finest quality at a great price
      $76.29
    • (0 reviews)
      # mpn366952472
      GMC Topkick 7.4L 1999, Ignition Distributor by Spectra Premium®. Spectra Premium all new Distributors deliver powerful consistent OE spark for maximum combustion efficiency, accurate timing, and rock solid high-rpm performance.
      Includes NEW OE style cap and NEW rotor100% endurance & life cycle tested to ensure they meet OEM specifications for fit, form and performance
      $56.98
    • (0 reviews)
      # 972850803
      GMC Topkick 7.4L 1999, Ignition Coil by Aceon®. 1 piece. Color: Black. With hardware. Ignition coils produce the high voltage necessary to ignite the air/fuel mixture in the combustion chamber. When not replaced, vehicle could...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $22.75
    • (0 reviews)
      # mpn4476750049
      GMC Topkick 7.4L 1999, Copper Plus Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.50
    • (0 reviews)
      # mpn2486679045
      GMC Topkick 7.4L With Medium Duty 1999 MPG+™ Spark Plug Wires by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing...
      Increases mileage 15%Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe
      $129.20
    • (0 reviews)
      # mpn4516962126
      GMC Topkick 7.4L 1999 High Performance Spark Plug Wire Set by Granatelli Motor Sports®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $198.55
    • (0 reviews)
      # mpn4516962098
      GMC Topkick 7.4L 1999 Long High Temperature Spark Plug Wires by Granatelli Motor Sports®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $278.35
    • (0 reviews)
      # mpn4516962212
      GMC Topkick 7.4L 1999 Performance Spark Plug Wires by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition wires of...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $129.20
    • (0 reviews)
      # mpn4511870652
      GMC Topkick 7.4L 1999, Ignition Coil by TSP®. At CARiD you can get this superior replacement product and take advantage of its impeccable design. Carefully engineered to OE specifications, it exactly replicates the factory part in look,...
      Designed for ultra high efficiencyProvides better performance
      $22.87
    • (0 reviews)
      # 987603543
      Smoothie™ Bowtie Wire Loom Kit by Made 4 You®. For Center Bolt Valve Covers. Wire Diameter: 7-8 mm. Designed for the true Chevy enthusiast! Licensed by General Motors, Made 4 You kit provides a unique option for supporting and...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      $43.34
    • (0 reviews)
      # mpn4512690121
      GMC Topkick 7.4L 1999, El Rayo DNA™ Distributor Ignition Kit by Speedmaster®. Speedmaster El Rayo ignition system are designed for the enthusiast that is serious about performance but needs the small cap size due to space...
      E cient E-core winding design produces more voltage and current85:1 turns ratio and lower primary resistance produce high voltage output
      $250.00
    • (0 reviews)
      # mpn4515299650
      GMC Topkick 7.4L 1999, Smoothie™ Stac-Pak™ Wire Loom Kit by Made 4 You®. Wire Diameter: 7-8 mm. Color: Black. Smoothie Separator Kits for most V-8's. Designed for tight clearances and for vehicles running magnetos or HEI systems....
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      $34.95
    • (0 reviews)
      # 826393963
      GMC Topkick 7.4L 1999, Distributor Advancer Lockdown Plate by Champ Pans®. Designed utilizing the latest technology, this product by Champ Pans features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.33 - $2.90
    • (0 reviews)
      # mpn4517151837
      GMC Topkick 7.4L 1999, HEI Ignition Coil by NGK®. At CARiD you can get this superior replacement product and take advantage of its impeccable design. Carefully engineered to OE specifications, it exactly replicates the factory part in...
      Designed to meet OE standardsMade from superior materials
      $53.75


    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 Ignition Systems
      November 26, 2014
      The Benefits of a Performance Ignition Distributor
      Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each...
      by Timothy Zahl
    • Performance Engine Parts
      July 03, 2014
      Performing a Basic Engine Tune Up
      This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that...
      by Timothy Zahl
    • Ignition Parts
      June 28, 2014
      Understanding The Different Types Of Spark Plugs
      Since the dawn of the automobile, spark plugs have been an integral part of gasoline engines because they conduct the electrical energy from a vehicle’s ignition...
      by Timothy Zahl

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