LSx Engine Performance

* Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users* Real-time fuel map learn—takes the guesswork out of tuning your base fuel table* High-impedance injector drivers will safely power most standard...

Twin Turbo LS timing covers dress up your engine compartment while providing the oil drain returns needed for turbo installations. They fit GM LS Series engines and feature internally welded AN oil drain fittings. These timing covers must be used only...

Performance where you need it most! ACDelco GM Genuine Parts fuel injection throttle bodies are GM-recommended replacements for your vehicle's original component. It is located on the intake manifold, and contains the throttle plate(s) that control the...

Take your 6.0 up to a 6.7L 408 with this engine assembly! Actual Engine Displacement:6.7L/408 Rear Main Seal Style:1-piece Bore (in.):4.030 in. Bore (mm):102.362mm Engine Stroke (in):4.000 in. Balanced:No Harmonic Balancer Included:No Flexplate...

Pulley Style: Serpentine Crankshaft Pulley Included: Yes Crankshaft Pulley Material: Billet aluminum Crankshaft Pulley Finish: Black powdercoated Crankshaft Pulley Bolt Hole Quantity: Three Crankshaft Pulley Grooves: 6-groove, serpentine ...

Nick Williams Performance drive-by-wire throttle bodies are CNC precision-machined from billet aluminum to meet the demands for increased airflow on the drive-by-wire LSX performance engines. The 102mm throttle bodies require an aftermarket intake to fit...

Chevrolet Performance engine coolant crossover pipes are designed to vent the coolant to ensure that the coolant reaches the highest point on the cylinder heads and doesn't get blocked by an air pocket. They are manufactured from quality materials and...

Earl's Performance LS steam vent kits eliminate trapped air and steam from your engine to prevent hot spots and overheating. They offer a selection of these LS power plumbing kits, with the appropriate braided stainless steel Speed Flex hose with hose...

Your modified LS-powered cars and trucks will be easier to service with an upgrade to a race car plumbing system. These plumbing kits contain black anodized billet aluminum fittings, O-rings, stainless steel bolts, and all of the necessary hose to plumb...

Actual Engine Displacement:6.7L/408 Rear Main Seal Style:1-piece Bore (in):4.030 in. Bore (mm):102.362mm Engine Stroke (in):4.000 in. Balanced:Yes Harmonic Balancer Included:No Flexplate Included:No Flywheel Included:No Pistons Included:Yes Piston...

Actual Engine Displacement:6.6L/403 Rear Main Seal Style:1-piece Bore (in):4.005 in. Bore (mm):101.727mm Engine Stroke (in):4.000 in. Balanced:Yes Harmonic Balancer Included:No Flexplate Included:No Flywheel Included:No Pistons Included:Yes Piston...

Actual Engine Displacement:6.3L/383 Rear Main Seal Style:1-piece Bore (in):3.905 in. Bore (mm):99.187mm Engine Stroke (in):4.000 in. Balanced:Yes Harmonic Balancer Included:No Flexplate Included:No Flywheel Included:No Pistons Included:Yes Piston...

Actual Engine Displacement: 7.0L/428 Rear Main Seal Style:1-piece Bore (in):4.065 in. Bore (mm):103.251mm Engine Stroke (in):4.125 in. Balanced:Yes Harmonic Balancer Included:No Flexplate Included:No Flywheel Included:No Pistons Included:Yes Piston...

The Pro III Dash is one of the more exciting and useful products to be introduced into data acquisition. It is both a driving instrument and a tuning tool. Although it is more frequently seen in the cockpit of many high profile dragsters it can be...

In The Box IQ3D Drag Dash Wiring harness (includes 2 programming buttons) Driveshaft Sensor (Please note: Drive Shaft collar sold separately) Oil Pressure Sensor Water Temperature Sensor Carburetor Fuel Pressure Sensor & V-Net module Trans...