Holley LS3/L92 Single Plane Mid Rise Intake Manifold (HO300-131) AF572-20DBLK No machining of the head

No machining of the head required

“Boost Safe” can also put your engine in safe mode before the system runs dry

OEM spacing

allowing users to define their failsafe strategy from something as simple as flashing a warning light to more advanced strategies like pulling boost or ignition

Holley LS3/L92 Single Plane Mid Rise Intake Manifold (HO300-131) AF572-20DBLK No machining of the headHO300 131 LS3 INTAKE MANIFOLD 4BBL Suit Single 4150 4160 Carburettors Part Number: HO300 131 Carbureted Single plane intake manifold. Fits all GM LS Gen III or IV engines equipped with LS3 L92 style rectangular port cylinder heads Features: 2500 7000 RPM power band 4150 Square bore flange (accepts up to 1. 75" diameter throttle bores) Optimized runner layout and constant cross sectional area broad torque curve, best vehicle performance from 2500 7000