Holley has been the undisputed leader in fuel systems for over 100 years. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Manufacturer: Holley. LS Single Plane Mid-Rise Intake; Upper; Carbureted; Single Plane; w/Cathedral Port Cylinder Heads; Front/Rear Height 4.95 in.; RPM Power Band 2500-7000; Satin Finish;.
