Installation Time
(approx) 45 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Holley Hi-Ram EFI Intake Manifold with 105mm Throttle Body Mount (98-02 5.7L Camaro)Find parts that fit my vehicle
Item CC19040
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- LS1/LS2/LS6 Cathedral Port EFI Intake Manifold For 1 X 105MM Throttle Body
- EFI Fuel Rails Machined For -8AN O-Ring Fittings, Designed To Accommodate High Fuel Flows And Dampen Pressure Pulsations
- Modular Base Accepts A Wide Range Of Carbureted And EFI Tops For Custom Induction Applications
- Intended For Naturally Aspirated Or Forced Induction Engines In The 6.0 To 7.0+ Liter Range
- Maximum Power Achieved At 7000-8000+ RPM
- Aggressive Race-Bred Styling Suitable For Drag Race, Muscle Car, Marine, Off-Road, Sandrails, Pulling Trucks, Track, And Street-Rod Use
- Throttle Body Flange Location: Height – 8.42” From Engine Block Lifter Valley Cover Flange, Longitudinal Location – 3.84” Forward From Engine Block Front Flange, Angle – 25 Degrees Down From Vertical
- Mounting Flange Gasket Type: Standard LS3 Molded O-Ring
- Total Height With 92/105mm EFI Plenum Top: 12.32” To The Lifter Valley Cover Flange On Engine Block
- Base Plenum Top Mounting Flange Height: 8.42” To The Lifter Valley Cover Flange On Engine Block
- Port Size: 2.49” Height X 1.21” Wide
- Plenum Top Gasket Type: 3/32” Round O-Ring Cord
- Runner Length: 6.58” With As-Cast Runner Cross-Sectional Area Tapering From 4.25 In² To 2.53 In²
- Basic Operating RPM Range: 3500-8000 RPM
- Construction: Cast Aluminum With Natural Finish
- Cylinder Head Port Shape: Cathedral
- Fuel System Type: EFI
- Recommended Use: Forced Induction Or Naturally Aspirated Applications
- Emission Code: 4 (For Racing Use Only Vehicles)
- Fits 98-02 5.7L Camaro
Description
High-Performance Intake Manifold. The Holley Hi-Ram EFI Intake Manifold with 105mm Throttle Body Mount is engineered to deliver exceptional airflow and fuel delivery for GM LS1, LS2, and LS6 engines featuring cathedral port cylinder heads. Its modular design supports flexibility with a variety of induction setups, making it suitable for both naturally aspirated and forced induction applications operating at high RPM ranges. This manifold significantly improves engine breathing, essential for maximizing power output in performance-focused builds.
Construction and Appearance. Made from high-quality cast aluminum with a natural finish, the manifold combines durability with thermal efficiency, designed to withstand demanding automotive environments. Fuel rails are precision-machined for -8AN O-ring fittings, ensuring effective fuel flow and pressure stability within EFI systems.
Installation. This intake manifold installs easily on compatible LS engines, bolting directly onto the engine using standard LS3 molded O-ring gaskets without requiring any drilling or modifications. This provides a clean, secure, and straightforward fitment.
Warranty. Backed by a manufacturer’s limited 90-day warranty covering defects in materials and workmanship.
Application. Designed specifically to fit 1998 to 2002 5.7L Camaro engines equipped with cathedral port heads and EFI systems. Emission code 4 applies, indicating suitability for racing use only vehicles with no street emissions compliance.
Holley 300-123
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intake Manifold
4.9
Reviews of Holley Intake Products (8)
Questions & Answers
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Will It Fit My Camaro
- Z28 - 98, 99, 00, 01, 02
- Z28 SS - 98, 99, 00, 01, 02
