The Edelbrock Performer RPM LS3 intake manifold (#71197) is designed for use with Gen IV LS engines equipped with LS3, L92 and L76 rectangular port cylinder heads. The Performer RPM LS3 is ideal for anybody looking to build a carbureted LS2 or LS3 engine in the 1,500 – 6,500 rpm operating range. It features a high-rise dual-plane design combined with a plenum that has been optimized for square-bore carburetors maximum power and a broad torque curve. Edelbrock’s advanced casting techniques allowed for a lightweight casting that weighs 14 lbs.
The Performer RPM LS3 includes a provision for mounting an MSD Ignition Timing Control Module, along with passages for routing the coil wire harness, for a clean look. It also ships with a throttle and trans bracket that works with 700R-4, 200-4R and Turbo 350 transmissions. The intake manifold flange has been machined for use with GM LS3, L92 and L76 style individual port o-ring gaskets.
In testing, the Edelbrock Performer RPM LS3 produced 519 HP and 457 ft-lbs. of torque on a LS2 short block equipped with LS3 cylinder heads. It out performed the competition by 12 HP and 16 ft-lbs. of torque.
Designed for use with Gen IV LS2 and LS3 engines with LS3, L92 and L76 rectangular port cylinder heads
Features a high-rise dual-plane design combined with a plenum that has been optimized for square-bore carburetors
The Performer RPM LS3 made a 12 hp and 16 ft-lbs. of torque improvement over a competitors design on a 6.0L engine
Designed, cast and machined in the USA for unsurpassed quality and performance.