FAST LSXRT 102mm High HP Intake Manifold Big Mouth Chevy LS3 - Rectangle Port

This LSXRT™ Intake Manifold gives LS3 engines with rectangle-port cylinder heads even more plenum volume for all-out racing. Best suited for high-RPM race engines, this manifold creates proven gains of 30+ horsepower over the FAST® LS3 Street Manifold at high RPM. The raised 102mm throttle body location optimizes the larger, less restrictive High HP runner design, creating more power. It also clears truck drive accessories.

Notes: This is designed for high horsepower, Designed for use with Big Mouth 102mm throttle body but can also be used with stock 90mm or 92mm throttle bodies. May require a taller hood.

*This intake manifold is not 50 State Legal