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.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle