Overview Reviews Product Description 534-209 Holley EFI LS Hi-Flow Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakesIncludes (4) -6 to 3/4"-16 O-ring fittings.Fuel Rail mounting brackets and required mounting hardware. Product Videos Custom Field Product Reviews Write a Review Write a Review × 534-209 Holley EFI LS Hi-Flow Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakes Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *