Sierra Thunderbolt IV V-8 HEI Distributor - 18-5470

Features:

• Fits: GM V-8 Engines with Thunderbolt IV & V Ignition
• Battery Powered (HEI) High Energy Ignition
• Uses a Hall-Effect type sensor to trigger ignition accurately even at extremely low RPM
• Designed as a direct replacement for Mercury Thunderbolt IV Ignition Distributors
• Meets or Exceeds SAE J1171 Standards

Replaces:

• GLM:
  • 71250
• Mercruiser Stern Drive:
  • 805185A16
  • 805185A26
  • 805185A36
  • 805185A43
  • 805185A6
  • 862057A4
  • 90747A21
  • 90747A25
  • 90747A27
  • 90747A3