Holley 300-600 Base Manifold and Rail Kit for Lo/Ram LS1/2/6

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Satin Finish with Single Injector manifold and fuel rails

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylinder heads. The 300-600 is the lower manifold in the 300-620 complete kit. Offering this separately allows you to select your components individually as you build your system. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a low height to aid the packaging of a plenum-mounted air-to-water intercooler in a top-feed configuration. The short runner, low-profile base intake manifold intended for forced induction applications was conceived to package with an air to water plenum mounted intercooler with a shorter overall height than possible with other existing intake manifolds. The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors.

Features:

  • Base manifold and rail kit for Low-Ram 300-620 allows you to select your components individually as you build your intake system
  • Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
  • Low height to aid the use of a plenum mounted air-to-water intercooler in a top-feed configuration
  • Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application
  • High volume fuel rails and mounting hardware included with ¾”-16 o-ring ports (8 AN)
Brand Holley EFI
Color Silver
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Silver
Fuel System Type EFI
Injector Quantity Single
Inlet Location Top
Manifold Type Lo-Ram
Product Type Intake Manifold Base
Recommended Use Forced Induction
RPM Power Band 3500-8000 RPM
Warranty Limited 90 Day
UPC 090127077443
Part Number 300-600

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