Holley 300-142 Gen V LT1 Hi-Ram Intake Manifold LS 105 mm Throttle Body Features:

• Modular design with removable top
• Overall Height:
  • With EFI Top - 95mm or 105mm: 13.34”
  • With Carb Style Top - 2 x 4150 or 2 x 4500: 12.10”
• Height at Plenum Flange: 9.44”
• Port Size: 2.06” High x 1.53” Wide
• Runner Length: Approx. 6.5”
• Large Plenum Volume of 549 Cubic Inches (with 1 x 95mm or 1 x 105mm Throttle Body Top)
• Available With or Without Injector Ports in the Runners
• Intakes with Injector Ports Include Fuel Rails with Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)
• Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
• Rear of Plenum Machined for MAP & 3 Vacuum Ports
• Head Flange has Clearance for Fuel Supply to High-Pressure Pump
• Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner
• O-Ring Seals at Cylinder Heads & Plenum Top
• Easy Assembly with Top Mounted Screws on Plenum Top (all except front 2 screws)
• Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies
• Power Band: 3500-8000+ RPM

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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