Holley 300-963 Hi-Ram Intake Manifold:

• Compatible with standard 9.80 in. deck height Big Block Chevy engines with standard intake flange rectangle-port cylinder heads
• Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle body
• Black anodized EFI fuel rails machined for -10 AN O-ring fittings
• MAP sensor port for GM Gen IV LS MAP sensor
• Provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings
• Standard Chevy thermostat housing flange
• (2) 1/2 NPT and (1) 3/8 NPT coolant ports
• Cost-effective alternative to fabricated sheet-metal or billet manifolds
• Fits high-performance applications where induction system height is not limited

Holley 300-963 Hi-Ram Intake Manifold Notes:

• 2.40 in. Tall x 1.60 in. Wide port flange openings use Mr. Gasket intake manifold gasket 5817 or equivalent (sold separately)
• Requires the use of early type GM or small cap MSD or Holley Distributor
• Not compatible with HEI distributors
• Throttle Cable Bracket supplied in the kit

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.

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