LSX Chevrolet Performance Parts


Unlimited Performance Potential for the Next Generation!
GM's LS engine family has revolutionized the performance world, taking it to unprecedented levels of power, durability and efficiency. It is fast becoming the engine of choice of enthusiasts from all walks of life: from street rods and muscle cars to drag strips, road courses and off-roading. Pace Performance offers a broad range of Chevrolet Performance Parts that are production-based as well as specialty LSX performance crate engine packages, from the LS1 engine that launched the revolution and the 638-hp supercharged LS9 from the Corvette ZR1, to hot LS376 engines tailored for carbureted applications in classic and race vehicles. Pace Performance also has engine building tools you need to install a modern LS engine in vintage sheet metal.



  • Bare Blocks stock OE, LSX& Performance. Cast iron and aluminum.
  • Short Blocks assembled with crank, rods & pistons.
  • Long Blocks assembled with crank, rods, pistons and cylinder heads (some also include intake, distributor and tin-ware).
  • Carbureted Performance Street fully assembled and ready to run. Dyno service available with these engines.
  • Multi-Carb Performance Street fully assembled and ready to run. Dyno service included with most of these engines.
  • Fuel Injected Performance Street fully assembled and ready to run. Dyno service included with most of these engines. EFI systems from Chevrolet Performance, FAST, Holley, MSD, Edelbrock, Professional Products and more.
  • Supercharged Performance Street fully assembled and ready to run. Dyno service included with most of these engines.
  • Full Race Dyno service available with these engines.
  • Circle Track Dyno tuning, testing & break-in service available with these engines. Sealed and non-sealed.
  • Engine Swap Packages & Mounts Complete kits to mount LS engines in various vehicles.

Fuel and Air


From OE fitment, bolt on kits to your custom design with components from Air Aid, Volant, K&N, Spectre, Edelbrock, FAST, Holley, Aeromotive, Nick Williams, Tech AFX, MSD and more.

  • Air Intake Kits & Air Cleaners
  • Fuel Injectors
  • Fuel Rails
  • Fuel Pumps
  • Complete Fuel Systems
  • Throttle Bodies

Engine Internals


Need to beef-up your bottom end or just need to replace a rod bearing? Pace has GM OE LS replacement components as well as upgraded performance components from Chevrolet Performance, Lunati, Dart, Mahle, ARP, Lingenfelter and more.

  • Crankshafts
  • Pistons and Rings
  • Connecting Rods
  • Bearings, Bolts & Studs
  • Oil Pumps

Cylinder Heads and Valve Trains


One of the easiest most affordable ways to increase the performance of your LS engine is increase air/fuel volume into the cylinders. Pace has a full line of components from top manufacturers: Chevrolet Performance, Lunati, Comp Cams, Mast Motorsports, Edelbrock, RHS, Howards, Crane and more.

  • Cylinder Heads: Bare, Complete and CNC performance.
  • Valve Springs, Retainers & Seals
  • Valves: Hollow, solid, treated, polished and stainless steel.
  • Rocker Arms & Bolts
  • Pushrods
  • Lifters
  • Timing Chain and Gears
  • Camshafts
  • Gaskets, Seals & Fasteners

Engine External


Dress your LS engine with our latest offering of custom engine, coil and valve covers from Chevrolet Performance, Proform, Holley, Moroso, MSD, Trans Dapt and more.

  • Valve Covers: Polished, Powder Coated, Chrome.
  • Coil Covers: Paint to Match, Powder Coated, Chrome and Polished.
  • Full Engine Covers
  • Oil Pans: Stock OE Pans, Engine Swap Pans, Full Race Pans
  • Timing Covers
  • Rear Block Covers

Electrical Components


Circuitry plays a big part in your LS engine’s performance. This can at times be frustrating, especially with engine swaps and performance upgrades. Pace Performance offers a complete line of connectors, sensors, switches, harnesses, ECU’s, programmers and complete engine control systems. These are supplied from top manufacturers like MSD, Holley, FAST, Chevrolet Performance, Casper’s, Mast Motorsports, Lingenfelter, Professional Products, PCS and more.

  • Cam and Crank Sensors
  • O2 Sensors
  • MAF and MAP Sensors
  • Electrical Wiring Harnesses
  • ECU’s and Engine Control Packages
  • Tuners and Programming
  • Electrical Connectors and Pigtail Harnesses
  • Ignition Coils, Harnesses and Coil Relocation Kits
  • Spark Plus Wire Sets
  • 24X & 58X Adapters
  • Coil Spark Enhancers
  • Starters

Cooling and Front Drive Accessories


We offer a full line of accessory serpentine drive systems, water pumps, belt tensioners, harmonic balancers and bracketry from Chevrolet Performance, Vintage Air, Billet Specialties, Holley, Kwik Performance, Wegner Motorsports, Edelbrock, Tech AFX and more.

  • A/C Compressor Relocation Kits
  • Alternator Only Serp Kits
  • Alt & Power Steering Only Serp Kits
  • Complete Serpentine Kits with A/C
  • Serp Brackets, Tensioners, Hardware & Belts
  • Water Pumps
  • Heater Hose Relocation Kits
  • Steam Pipes and Plugs
  • Harmonic Balancers and Pulleys
  • Thermostats and Outlets
  • Radiators

Intake Manifolds


Show, street or full race we have the intake manifold to fit your needs. Fully loaded injected to multi carb intake kits from Chevrolet Performance, FAST, Holley, Edelbrock, Mast Motorsports and more.

  • Carbureted Intakes: Polished, Powder Coated and Natural Finishes
  • Multi-Carb Intakes
  • Carb & Intake Packages
  • Loaded EFI Intakes: with rails, injectors, t/body and hardware.
  • TBI 4150/4160 Style: with and without injector bosses, high & low rise.
  • High Ram Street & Full Race

Power Adders


Force feed your LS air pump with a universal or model specific supercharger, turbocharger or nitrous kit from Edelbrock, SLP, NOS, Zex, Granatelli Motor Sports and more.

  • Supercharger Packages
  • Turbocharger Packages
  • Nitrous Oxide Systems

Transmission and Driveline


We offer complete trans packages as well as components from Chevrolet Performance, Tremec, American Powertrain, Ram Clutch, Centerforce, Hughes Performance and more.

  • Complete Automatic Trans Packages
  • Manual Transmission
  • Transmission Programmers and ECU’s
  • Clutch Assemblies
  • Complete Manual Transmission Install Kits
  • Differential Assemblies and Components