Professional Products(323) 779-2020www.professional-products.comWhat is it?Throttle BodyWhy you need it:More air produces more power. That's the concept behind these extra-large 96mm and 101mm throttle bodies. Available in both cable-actuated and drive-by-wire versions, these units mimic the factory's design of opening the bottom half of the throttle plate first (unlike most aftermarket throttle bodies that open the top of the throttle plate first), allowing for less turbulence in the incoming air.Applications: LS2MSRP: Prices start at $200
Street And Performance(479) 394-5711www.hotrodlane.ccWhat is it?LS Engine Swap Wiring HarnessWhy you need it:Swapping a Gen III or IV LS engine into your Pontiac requires an appropriate wiring harness, ECM, and, in drive-by-wire applications, a new throttle pedal with sensor. These new wiring harnesses from Street and Performance take the guesswork out of installing an LS engine into your Pontiac regardless of year. They are available with a compatible ECM, tach signal indicator, throttle pedal and transmission wiring harnesses for an additional cost.Applications:Any year PontiacMSRP:$950
Comp Performance Group(901) 260-3278www.fuelairspark.comWhat is it?FAST Big Mouth 92mm Throttle Body for the New LSX ManifoldWhy you need it:Designed to pair with the new FAST 92mm intake, this throttle body is a direct bolt-in with factory TPS and IAC sensors, beefed up linkage and dual throttle spring mechanism, and a promised 5 percent performance increase over 90mm units. The manufacturer says it's an excellent choice for boost applications where throttle problems have previously affected performance. It's designed for cable throttles only and is not compatible with drive-by-wire systems.Applications: All LS enginesMSRP: $399
Mast Motorsports(936) 560-2218www.mastmotorsports.comWhat is it?M-90 Calibrated Wiring PackageWhy you need it:To correctly transplant the LS2/LS7 into your classic or late-model Pontiac, you need a wiring harness designed to take all of the guesswork out of the process. These two packages were extensively tested on a Superflow NSCR Engine Test Cell in an effort to ensure accurate and capable calibration. They include an M-90 ECM; Gen IV main wiring harness, mass air, electric fan, fuel pump, dash and Heated Exhaust Gas Oxygen (HEGO) harnesses; Bosch HEGO sensor; calibration software; GM accelerator pedal; IAT sensor and air filter.Applications: Any year PontiacMSRP: $1,899
Zex Performance Products(888) 817-1008www.zex.comWhat is it?LSX Nitrous SystemWhy you need it:This nitrous kit is specifically designed for the LS engine. According to Zex, "Every hose, wire and fitting has been engineered and manufactured for a plug-and-play, perfect installation." Power settings are adjustable from 75 to 175 hp using kit-contained tuning jets. Zex includes two additional features with this kit: Active Fuel Control that adjusts fuel enrichment with variations in bottle pressure to ensure that you're never too rich or too lean, and electronics that use the vehicle's TPS sensor to activate the nitrous only at wide-open throttle.Applications: All LS enginesMSRP: $700
Trick Flow Specialties(330) 630-1555www.trickflow.comWhat is it?GenX LS Cylinder HeadsWhy you need it:This set of fully assembled heads is an economical version of the Trick Flow 235cc head. They feature as-cast ports; only the chambers are CNC-machined, are compatible with LS1 and LS2 engines and have either 2.040/1.575-inch (LS1) or 2.055/1.575-inch (LS2) valves. The company states that these heads are capable of producing up to 600 hp, naturally aspirated.Applications: LS1/LS2MSRP: $1,995 per set
Trick Flow Specialties(330) 630-1555www.trickflow.comWhat is it?235cc LS Cylinder Heads Why you need it:Serious horsepower requires serious heads. This set is designed for the LSX block and requires a minimum bore of 4.125 inches. They feature 100 percent CNC porting, 70cc chambers, and 2.08/1.60-inch valves. According to the manufacturer, these heads are capable of 700 hp naturally aspirated and 1,500-1,800 hp with power adders. Company flow testing produced 340 cfm at 0.600 lift intake and 270 cfm at 0.600 lift exhaust. This product is not compatible with LS1/LS2 blocks.Applications: LSXMSRP: $2,449 per set