Features:

• Iconic Hilborn styling paired with modern EFI electronics provides the best of both worlds for your Hot Rod, Racecar, Drift Machine or Boat!
• All new manifold tooling yields high-quality, heat-treated castings and provides the ultimate appearance with an as-cast satin finish
• LS3 Hilborn EFI-R injector manifolds are available in throttle bore sizes of 2-3/16” for street & hot-rod and 2-1/2” for high-RPM & horsepower applications
• 17-4 stainless steel split throttle shafts allow easier cylinder to cylinder throttle opening balance adjustment
• -8AN hard coat black anodized EFI fuel rails with included end adapters fittings stand-up to methanol & ethanol fuels and provide the capacity needed for racing applications
• Manifold vacuum plumbing and distribution block that mounts beautifully on the Hilborn 300-819 valley cover is contained in the 300-816 & 300-818 kits providing a proper MAP sensor signal
• Kits are complete providing mounting hardware, o-ring mounting flange seals, and required throttle linkage & levers
• Valley cover design includes an OE oil pressure sensor port which also may be fitted with adapter fitting for mechanical oil pressure gauges. Valley cover also seals-off the LS Gen IV DOD oil passages
• Ram tube sets, 2-3/16” Plated Steel and 2-1/2” Aluminum are sold separately in lengths of 8 and 12-inch
• We recommend Terminator EFI ECU PN 550-905T (no electronic transmission control) or 550-918T (for use with Electronic Overdrive Automatic transmissions) to be used with this kit