Description
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 manifolds will work with OE or aftermarket cylinder heads. 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 300-620 plenum entry configuration is designed to allow the included Hi-Ram 105 mm plenum top to be fitted to a low-profile base intake manifold. 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:
- Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
- Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to
- Modular design allowing the use of the included plenum entry
- Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration or to fit under a stock or mildly modified hood in the front-feed configuration
- High volume fuel rails and mounting hardware included with ¾”-16 o-ring ports (8 AN)
Specifications :
- Brand: Holley EFI
- Category Filter: Intake Manifolds
- Clearance Category: Intake Manifolds
- Color: Silver
- Construction: Cast
- Emission Code: 3
- Engine Compatibility: GM LS1/LS2/LS6
- Finish: Silver
- Flange Style: EFI
- Front Height: 9.07″ without Intercooler
- Fuel System Type: EFI
- Injector Quantity: Single
- Inlet Location: Top
- Manifold Type: Lo-Ram
- Product Type: Intake Manifold
- Recommended Use: Forced Induction
- RPM Power Band: 3500-8000 RPM
- Sale Category: Air and Fuel Delivery
- Warranty: Limited 90 Day
- Part Number: 300-620
Fitment:
- GM LS Gen III and IV engines
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