LS Race intake, ls 4500 intake, Cathedral Port LS

New Race-Design 4500 Intake for Cathedral Port LS

The GM LS platform has become a staple in motorsport for its durability and reliable power delivery. Holley’s new race-oriented 4500 intake manifold is intended for maximum effort combinations needing a major bump in induction airflow. With its split design, users have the ability to port and modify intake runners to best suit their combination.

LS Race intake, ls 4500 intake, Cathedral Port LS

The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featuring a two-piece split design that provides access for all levels of porting and modification. It utilizes shoulder bolt locators, and O-ring seal to ensure that disassembly/reassembly is simple and precise. Intended for cathedral head port LS engine combinations, offerings include carbureted and EFI versions in both black and natural finishes.

The EFI manifold(s) feature AN-8 fuel rails with a 4500 Dominator style carb flange for EFI throttle bodies, or EFI throttle body elbows, and is configured with a LS MAP sensor port along with other NPT plenum vacuum or air-temp sensor ports.

LS Race intake, ls 4500 intake, Cathedral Port LS

NOTE: The LS Race single-plane intake manifold is designed for hi-performance/racing engine applications, 5.3 to 6.2+ liter displacements, N/A or with power adders and max power at 7500-8000+ RPM.