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Product Summary

366, 396, 402, 427, 454, 496, 502, 572, Aluminum

  • Hilborn high-quality heat-treated aluminum valley cover castings, ceramic coated a beautiful dark gray
  • The injector manifold throttle cross-over link appropriate to the engine deck height and throttle shaft center to center distance is included in the valley cover kit
  • The machined valley cover provides two AN-10 O-ring sealed ports, these ports can be used for crankcase breathers, installation of a dry sump oil scavenge pick-up, or an oil fill location
  • The Hilborn Big Block Chevy valley covers are intended for use with a set of Hilborn EFI-R injection manifolds but these valley covers could also be used as part of a custom induction system being built
  • Ram Tubes and Lifter Valley Covers sold separately

Key Specs

MFG. Part #300-801
BrandHilborn

Need To Know

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Return Policy

Details

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. The engine valley covers are sold separate to allow the customer to choose the correct valley cover kit based on the engine deck-height, 300-802 - Std. 9.800" height or 300-803 - Tall 10.200".

Features:

  • Fits OE & aftermarket Big Block Chevy engines which have OE standard or tall block deck heights. 300-802 for standard 9.800” height, 300-803 for tall 10.200” height.
  • Hilborn high-quality heat-treated aluminum valley cover castings, ceramic coated a beautiful dark gray
  • The injector manifold throttle cross-over link appropriate to the engine deck height and throttle shaft center to center distance is included in the valley cover kit
  • The machined valley cover provides two AN-10 O-ring sealed ports, these ports can be used for crankcase breathers, installation of a dry sump oil scavenge pick-up, or an oil fill location
  • The Hilborn Big Block Chevy valley covers are intended for use with a set of Hilborn EFI-R injection manifolds but these valley covers could also be used as part of a custom induction system being built.
  • Ram Tubes and Lifter Valley Covers sold separately

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or 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.

Specifications

KEY SPECS
MFG. Part #300-801
BrandHilborn
GENERAL
Fuel System TypeEFI
Injection StyleMulti-port
Intake Manifold TypeIndividual Runner
Material TypeAluminum
FinishCeramic Coated
ColorNatural
Throttle Body Bore Size66mm
Intake Section IncludedComplete
Injectors IncludedNo
Aftermarket Fuel Rail RequiredYes
Fuel Rails IncludedYes
Sold in QuantityEach
GTIN Code090127104538