Smeding Performance 275cc 11° CNC LS3 Cylinder Heads PAIRSmeding Performance 275cc 11 CNC LS3 Cylinder Heads PAIR Features: 100% Fully CNC Ported 275cc Intake, 100cc Exhaust & 69cc Chambers Virgin A356 Aluminum Castings 6 Bolt Head Casting with Extra Strength Decks Advanced 11 Valve Angle for Maximum Flow & PTV Clearance 2. 165 Intake Valve 21 4N Alloy & 1. 60 Exhaust Valve 23 8N Super Alloy 0. 210" Intake Free Drop & 0. 250" Exhaust Free Drop 23 8N Alloy has the same high temp characteristics of Inconel w

A must-install next time you've got the clutch out of your:

Note: Suspension height will be based off of lowered control arms and coil over adjustment

Recommended Stall Converter: 2400-3600

From Torque Rush Performance:

It comes complete with bushings

the FAST™ LSXRT™102mm Intake Manifold follows the path chartered by the original FAST ™ LSX™ Gen III Intake by featuring a modular design that allows for easy porting and disassembly and a runner design that yields an incredible 25 peak horsepower gain over the stock intake

Installation instructions

**15" front wheels will not fit Mustangs equipped with the Cobra/Mach1/Bullitt front brake package

Compatible with both OEM and QA1 tubular control arms

Great for Towing: Increases torque right where you need it most

The Holley EFI LS coil sub harnesses are built with the same high quality connectors and wire loom found on all Holley EFI harnesses

poor gas mileage