FAST 146302B LSXR 102mm Intake Manifold - LS1, LS2, LS6LSXRCathedral Port Heads (LS1, LS2, LS6) FAST engineers teamed up with airflow specialists at RHS to develop polymer intake manifolds for GM LS based engines. Testing on a near stock LS7 engine with a Big Mouth 102mm Throttle Body produced gains of 16+ horsepower, and 26+ rear wheel horsepower on a 500c. i. engine. The LSXR 102mm Intake Manifold features a revolutionary new modular design that allows fast and easy disassembly and features the ability

Designed specifically for GM 4

0™ ECU w/ Intelligent Traction Control™ & Internal Data Logging

-2 & -6) horsepower while the LSXR™ is designed to maximize potential performance upgrades on L92/LS3/LS7 engines

In addition

Perimeter injection results in more even distribution of fuel and nitrous for maximum power and engine safety

FLAT TAPPET LIFTERS (16)

7 1986-1995

1L HEMI (2003+) RPM Operating Range 1

-Made from bi-metal material with micro babbitt surface for low friction and added embed-ability

for 3/8" pushrods

GM CAR 307/5

hardened for wear resistance