Made in USA
LS7 Hi-Ram Fuel Rail Adapter Kit for GM LS3/LS7 Injectors [Aluminum]
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-300-230

LS7 Hi-Ram Fuel Rail Adapter Kit for GM LS3/LS7 Injectors [Aluminum]

$25995
ShippingShips on 11/03/2026
Lowest PriceLowest Price Guarantee

Replacement Parts & Accessories
LS7 Hi-Ram Fuel Rail Adapter Kit
  • Holley Hi-Ram LS Intake Manifolds (LS7 Version)
  • Adapts Fuel Rail for Short LS3/LS7 Injectors
  • CNC-Machined Aluminum
  • Includes Adapters, Mounting Hardware & Injector O-Rings

    The LS7 Hi-Ram Fuel Rail Adapter Kit lets you mount the fuel rail correctly when running short LS3/LS7 style injectors in place of the taller LS1 style injector on a Holley Hi-Ram LS intake.

    Holley 300-230 Features:

    • Designed for the LS7 version of the Holley Hi-Ram intake manifold.
    • CNC-machined aluminum adapters for accurate injector-to-rail alignment.
    • Includes fuel rail adapters, mounting hardware, and injector o-rings.
    • Installation instructions included.
    • Improve Performance with High-Flow Fuel Rails

      Holley billet aluminum fuel rails make a great addition to any engine bay. Designed as a direct bolt-on, these rails will fit OEM intake manifolds and are machined from solid aluminum with the undersides relieved for ultimate weight savings. The aluminum is finished in a hard-anodized finish for durability and a superb look. These sets take full advantage of the 5/8 in. internal diameter fuel passage.

    Part TypeFuel Rail
    Product LineHolley Billet Aluminum Fuel Rails for OE-Style Engine Intakes
    BrandHOLLEY
    Package Height1.0
    Package Width8.0
    Package Length11.0
    Weight0.5 PG
    Part CategoryPerformance Parts
    Part FitmentUniversal
    Vendor Part Number300-230
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!