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Billet fuel rails for the LS1 and LS6. Machined from a solid block of 6061 aluminum. Integrated mounting tabs eliminate rail tab flex under the highest intake and fuel pressures. Proper clearances and diagonally slotted mounting holes ensure proper injector alignment with OE length injectors or shorter injectors. 

Can be used with OE length injectors and/or alternate length injectors, select appropriate hardware pack for actual intake and injector combination
Must be used without coil pack covers or engine covers.
Use LS3 Rails (45-100) for Fast LSXr 102mm LS1 / LS6 intakes.

LS1 and LS6 with hardware pack A or B see attached chart.
Does NOT fit Fast LSXr intakes, use LS3 Rails on different listing.
ALL fitments require coil pack covers and/or engine covers to be removed.

Ports: ORB-8 female
Bore size: 16mm
Material: 6061 aluminum, anodized black

Billet Holden GM LS1 / LS6 Fuel Rails

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