Overview Reviews Product Description 9900-147 Holley EFI Fuel Rails Left and right, bright clear anodized, extruded aluminum fuel rails for Chevrolet Small Block V8 with Holley MPI Manifolds. Product Videos Custom Field Product Reviews Write a Review Write a Review × 9900-147 Holley EFI Fuel Rails Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *