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Vehicle Info NeededHOLLEYPART NUMBER: 510-300-207BK
300-207BK Hi-Ram Intake Plenum Top Plate
$31195
Ships on 09/09/2026
Lowest Price Guarantee2 x 4150
Hi-Ram Intake Plenum Top PlateGM Gen V LT1 2 x 4150 Carb Flange Configuration Cast Aluminum Black Finish
Holley 300-207BK Features:
Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum.- Modular Design w/ Removable Top
- A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
- Height at Plenum Flange: 9.44”
- O-Ring Seals for Plenum Top
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeIntake Manifold Adapter
BrandHOLLEY
Package Height3.5
Package Width10.5
Package Length20.5
Weight8.5 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number300-207BK
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
