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GM Performance Performance Parts

Take the performance of your vehicle to a whole new level with GM Performance. GM Performance provides you with engine components, controllers, wiring harnesses, transmissions, and high-performance crate engines. Give your project a boost with many products that simply allow you to connect, and cruise! GM Performance products are rigorously tested, strategically developed, and filled with premium parts. Leave the competition in the dust with the smart investment of a factory-engineered product from GM Performance. GM products deliver greater efficiency and lower emissions but never sacrifice performance. Take your ride from the garage to the street with products by GM Performance at PerformanceParts.com.
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GM Performance Part Number
Cylinder Heads
Cylinder Head Kits
Electrical Components and Wiring
Alternators
Starters
Engine Dress Up
Pulley Systems
Ignition
Engine Management
Ignition Wire
Internal Engine
Crate Engines
Rear Axle
Differentials
Transmission and Drivetrain
Clutches
Transmissions

Featured Parts

GM Performance CPSLS34L65E
Details  •  GM Performance  •  Chevy Perf Connect & Cruise Pkg LS3 Combo
Our Price: $11329.88
GM Performance CPSLS34L65E includes factory-engineered engine-and-transmission combinations that include all the electronic control modules, wiring harnesses and other key components. GM...
GM Rebate on select GM Connect and Cruise Systems through December 31, 2013. See the rotating banner at the bottom of the page.

Products not showing in stock will usually ship within 5-7...
GM Performance 19301326
Details  •  GM Performance  •  GM LS3 430hp Crate Engine
Our Price: $6298.88
430 horse
376 cubes
24-month GMPP warranty

Starting with the '08 Corvette, the world was first introduced to GM's latest small block V8 creation the 6.2-liter LS3. A...
Products not showing in stock will usually ship within 5-7 business days from the Manufacturer.
GM Performance 19299055
Details  •  GM Performance  •  4L70E Automatic 4 Speed Transmission
Our Price: $2309.88
GM Performance 19299055 is similar in design to the 4L65E, this 4L70E is an electronically controlled four-speed overdrive transmission that is suitable for LS Series V8 engines producing up to 340...
GMPP 4l70E Automatic 4-Speed Transmission - Gen II / IV LS Engines up to 400 Ft-Lbs Torque

• Increased horsepower and torque capacity
• Heavy duty upgrades including 5...
GM Performance GMP-10067353-K
Details  •  GM Performance  •  Engine 350/300hp w/Intake
Our Price: $2009.88
GMP-10067353-K - Chevy 350cid 300hp Crate Engine

This is a great entry level replacement engine for older cars and trucks, and a great basic street rod engine. All of the parts in this...
Products not showing in stock will usually ship within 5-7 business days from the Manufacturer.
GM Performance 12499529
Details  •  GM Performance  •  GM Perf. Crate Engine 350/290 HP—Econ. Perf. Engine
Our Price: $2079.88
GM Performance 12499529- SBC 350CID 290HP Crate Engine


The 350/290 HP is the most popular GM Performance Parts crate engine because no one can deliver such performance for this...
Products not showing in stock will usually ship within 5-7 business days from the Manufacturer.
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