1983 GMC Suburban EFI Systems
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- Fast®EZ-EFI® Self-Tuning Engine Management System with Wideband Closed LoopGMC Suburban 5.0L / 5.7L / 7.4L 1983, EZ-EFI® Self-Tuning Engine Management System with Wideband Closed Loop by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. Manufactured using...No laptop or tuning experience required (Setup Wizard guides start-up & system tunes itself)4150 throttle body works with original carb-style throttle linkage$762.95
- Painless Performance®Gen III Mechanical TB Extended Length HarnessGMC Suburban 1983, Gen III Mechanical TB Extended Length Harness by Painless Performance®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the...High quality at an affordable priceExpertly made from premium materials$643.99
1983 GMC Suburban Models