Collection: Engine Components
Shop high-performance engine components designed to improve durability, increase horsepower, and support reliable engine operation. From internal rotating assemblies to valvetrain and sealing components, these parts are engineered for precision and performance. Ideal for street builds, restoration projects, and high-performance applications across a wide range of engine platforms.
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Chevy Big Block Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4200Regular price $785.00Sale price $785.00 Regular priceUnit price / per$1,018.53Save $233.53 -
Chevy LS1, LS6 Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4500Regular price $554.07Sale price $554.07 Regular priceUnit price / per$629.62Save $75.55 -
Chevy LS3 Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4600Regular price $640.99Sale price $640.99 Regular priceUnit price / per$728.40Save $87.41 -
Chevy Small Block Angled Plug Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4100Regular price $605.00Sale price $605.00 Regular priceUnit price / per$617.28Save $12.28 -
Chevy Small Block Straight Plug Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4100SRegular price $595.00Sale price $595.00 Regular priceUnit price / per$617.28Save $22.28 -
Ford Small Block Aluminum Cylinder Head
Vendor:Top Street PerformanceSKU: JM4300Regular price $624.71Sale price $624.71 Regular priceUnit price / per$709.90Save $85.19 -
Chevy Big Block 6061-T6 Aluminum 1.7 Ratio 7/16" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62277Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Chevy Small Block 6061-T6 Aluminum 1.5 Ratio 3/8" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62153Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Chevy Small Block 6061-T6 Aluminum 1.5 Ratio 7/16" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62157Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Chevy Small Block 6061-T6 Aluminum 1.6 Ratio 3/8" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62163Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Chevy Small Block 6061-T6 Aluminum 1.6 Ratio 7/16" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62167Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Ford Small Block 6061-T6 Aluminum 1.6 Ratio 3/8" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62363Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Ford Small Block 6061-T6 Aluminum 1.6 Ratio 7/16" Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 62367Regular price $220.00Sale price $220.00 Regular priceUnit price / per$250.00Save $30 -
Chevy Small Block Pro Series 2024 Aluminum 1.6 Ratio 3/8" Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 72163Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39 -
Chevy Small Block Pro Series 2024 Aluminum 1.6 Ratio 7/16" Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 72167Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39 -
LS1/LS2/LS6 Pro Series 2024 Aluminum 1.8 Ratio Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 72880Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Sold out -
LS3/L92 Pro Series 2024 Aluminum 1.8 Ratio Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 72980Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39 -
LS3/L92 Pro Series 2024 Aluminum 1.7 Ratio Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 72970Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39 -
Chevy Small Block Pro Series Stainless Steel 1.6 Ratio 3/8" Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 71163Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39 -
Chevy Small Block Pro Series Stainless Steel 1.6 Ratio 7/16" Needle Bearing Roller Rocker Arms
Vendor:Top Street PerformanceSKU: 71167Regular price $286.00Sale price $286.00 Regular priceUnit price / per$325.00Save $39
About Our Engine Components
Engine components are the core parts that work together to produce power, control combustion, and ensure reliable operation. These components include internal parts such as pistons, crankshafts, connecting rods, camshafts, and cylinder heads, as well as supporting systems like valvetrain components, gaskets, and timing assemblies.
At the heart of the engine, the rotating assembly—consisting of the crankshaft, pistons, and connecting rods—converts combustion energy into rotational force that powers the vehicle. The valvetrain, including camshafts, lifters, pushrods, and rocker arms, controls airflow by managing when valves open and close, directly affecting performance and efficiency.
High-quality engine components are essential for maintaining durability and achieving optimal performance. Upgrading internal components can increase horsepower, improve reliability under high stress, and support higher RPM operation. Performance parts are often designed with stronger materials, tighter tolerances, and improved designs to handle increased loads and demanding conditions.
Common engine components also include timing systems, oiling components, and sealing parts such as gaskets and covers. These parts work together to ensure proper lubrication, maintain engine timing, and prevent leaks, all of which are critical for long-term engine health.
Whether you're rebuilding an engine or upgrading for performance, choosing the right engine components helps ensure efficient power production, improved durability, and consistent operation across a wide range of driving conditions.
Shop Engine Components
- Camshafts
- Rocker Arms
- Cylinder Heads
- Harmonic Balancers
- Oiling Systems
- Timing Covers
- Valve Covers & Breathers
- Valley Covers


















