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Key Specs

MFG. Part #300-814
BrandHilborn
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Hilborn 300-814 Details

The Hilborn RAW "Race-And-Win" Injector is the classic racing unit for the standard Gen 1 Small Block Chevy. These base intake manifolds for the SBC RAW EFI-R Kits fit to SBC engines with 1955-86 262-400 or 1987-91 L98 Corvette type cylinder heads providing mounting for both RAW Hilborn mechanical and electronic stack fuel injection.The Hilborn EFI-R injector manifold kits combine the technology of Electronic Fuel Injection with the racing born performance and aggressive looks of Individual-Runner engine induction.

Features:

  • Fits Small Block Chevy engines with 23 degree OE and aftermarket cylinder heads (excluding raised runner)
  • Hilborn high-quality 356-T6 heat-treated aluminum castings, available in satin and ceramic coated a Ti-dark gray
  • 300-812 (satin) and 300-813 (coated Ti-gray) have CNC profiled port flange openings – 2.12-inch X 1.25-inch
  • 300-814 (satin) and 300-815 (coated Ti-gray) have as-cast port flange openings – 1.97-inch X 1.21-inch, (required for some 305 sprint car classes)
  • The machined base manifolds provide an AN-12 O-ring sealed port for a crankcase breather, installation of a dry sump oil scavenge pick-up, or an oil fill location. AN-8 adapter fittings are installed in the front cylinder head coolant outlets, AN-8 plugs
  • Injector Manifold mounting flanges are sealed with O-rings which are included in the kit
  • The mounting sub-plate for an EFI vacuum junction block is provided on the manifolds
  • CARB Warning

    For use on pre-1966 vehicles only

    Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    Hilborn 300-814 Specifications

    KEY SPECS
    MFG. Part #300-814
    BrandHilborn
    Customer Impersonation Script