Check Platform
Match SBC, BBC, SBF, BBF, Ford FE, LS, or your exact application before buying.
Product Details
Haytalras 92mm Cathedral Port 300-122 Hi-Ram EFI Intake Manifold for LS1 LS2 LS6 6.0L 6.2L
Fitment note: Please check compatibility carefully before placing an order.
Description:
- EFI LS hi-ram intake manifolds are designed for your high performance race engine. Big cube and high-rev applications without height limitations are the intent for these manifolds. these hi-ram intake manifolds offers a runner length and as-cast tapered cross-section design that works for a wide range of engine configurations. The included fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.
- Notes:OE LS fuel injectors may not fit properly in the hi-ram EFI intake manifold fuel rail assembly.You need to purchase the bracket separately. A modified hood will be required for most vehicle applications.
- Notes:Longitudinal plenum top with fuel rails machined for -8 AN O-ring fittings
- Notes:Please Check the Compatibility Carefully before Placing an Order.
Specifications
Specification:
Part Number: 300-122
Throttle Body Bore Size: 92mm
Engine Size:GM LS1/LS2/LS6
Intake Manifold Height: Front/Rear Height 12.32 in
Basic Operating RPM Range: 7000-8000
Intake Style: Hi-Ram
Cylinder Head Configuration: Rectangular Port LS1/LS2/LS6
Intake Material: Aluminum
Fuel Injection Style: Multi-port
Engine Block Deck Height: Standard deck
Package included:1*intake manifold&1*fuel rail kit &some parts shown in the picture
Not sure this fits?Send your engine platform, vehicle year, and current setup to haytalras@gmail.com before ordering. We will help you confirm fitment before the part ships.
Fitment & Compatibility
Fitment & Compatibility
Use the product title, SKU, engine platform, and application notes as the primary fitment reference. If your vehicle has non-stock heads, intake setup, accessory drive, hood clearance, oil pan clearance, or swap mounts, contact Haytalras before ordering.
Shipping
Shipping
Free standard shipping is available for orders shipping within the United States, excluding Alaska and Hawaii. Processing and delivery times may vary by SKU, destination, carrier, and order review status. Tracking is provided after fulfillment.
Returns & Warranty
Returns & Warranty
Uninstalled, unused items may be eligible for return within 30 days after delivery. Keep the original packaging and contact Haytalras before sending anything back. Installed, modified, damaged, or fuel-contaminated parts may not be returnable.
Before Installation
Before Installation
Test-fit before final installation. Professional installation is recommended for performance parts. Check gasket surfaces, fastener torque, fuel and vacuum connections, sensor fitment, and hood or chassis clearance before starting the vehicle.
BUILT FOR REAL V8 PROJECTS
Performance parts buyers need fitment confidence, not guesswork.
Haytalras focuses on intake manifolds, oil pans, throttle bodies, and LS swap support hardware for street builds, classic muscle, and weekend track projects. Start with your engine platform, confirm the application notes, then reach out before purchase if the setup is modified.
Confirm Clearance
Review hood, chassis, accessory, and oil pan clearance on swaps or non-stock builds.
Order With Support
Email haytalras@gmail.com with your build details if fitment is unclear.