1977 GMC Jimmy Performance Ignition Boxes & Controllers

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    • (0 reviews)
      # 717894066
      GMC Jimmy With HEI Stock Distributor 1977, 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 used...
      Intended for street / strip applications67% more energy with a 45% faster spark breakdown over stock HEI distributors
      $59.25
    • (0 reviews)
      # 717909313
      GMC Jimmy With HEI Stock Distributor 1977, 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 when...
      Designed for racing applicationsOptimized for 6000 to 8500 RPM range
      $75.74
    • (0 reviews)
      # mpn2367668250
      GMC Jimmy 1977, 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. Manufactured from...
      $23.38
    • (0 reviews)
      # 717875188
      GMC Jimmy With DUI Distributors / With HEI Distributors / With Performance Distributors With Chevrolet, Pontiac and Dodge Tri-Power Ignition Systems 1977, DUI/HEI Dyna-Module by Performance Distributors®. For a crisper, smoother running...
      More Electronic DwellBetter Throttle Response
      $73.48
    • (0 reviews)
      # mpn4254009282
      GMC Jimmy 5.0L / 5.7L / 6.6L With Flame-Thrower HEI Distributor 1977, Wire Harness and Capacitor by PerTronix®. From replacement wiring harness to adjustable vacuum advance canisters, lockout kits and mechanical advance kits, they have...
      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)
      # mpn2266799119
      GMC Jimmy 5.0L / 5.7L / 6.6L 1977, Crank Trigger Kit by Holley®. Maximize your HP or Dominator EFI system, take control of your ignition, and eliminate the need for an expensive, separate ignition box! It allows for all timing functions...
      Improved starting and idle qualityMore spark energy - especially important when using power adders to maximize horsepower
      $251.95
    • (0 reviews)
      # 717871753
      GMC Jimmy 5.0L / 5.7L / 6.6L With Chevy Small Block Engine 1977, Ignition Crank Trigger Kit by Fast®. Engineers at FAST™ turned to the OEMs to see what they trust in the way of rpm-measuring crank triggers for their 400 and 500...
      Includes all required mounting hardware; plug and play with most aftermarket EFI systemsUltra durable CNC-machined aluminum bracket with clearly labeled precision timing marks
      $242.54
    • (0 reviews)
      # 717875032
      GMC Jimmy 5.0L / 5.7L / 6.6L With Chevy Small Block Engine 1977, Ignition Timing Pointer by Proform®. With Self-Powered Built-In LED Timing Light. If you are looking to enhance your vehicle's performance, then this top-notch product is...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $52.87 - $54.74


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