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Top Street Performance
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LS & LT Parts

Collection: LS & LT Parts

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  • TSP Chevy Big Block Aluminum Cylinder Head Installed on Engine - Performance Upgrade
    GM LS Finned Cast Aluminum Valve Covers with Coil Mounts and Covers - Polished

    GM LS Finned Cast Aluminum Valve Covers with Coil Mounts and Covers - Polished---

    Save $60

    GM LS Finned Cast Aluminum Valve Covers with Coil Mounts and Covers - Polished

    Vendor:
    Top Street Performance
    SKU: JM8082-2P
    Regular price $440.00
    Sale price $440.00 Regular price $500.00
    Unit price /  per 
    Save $60
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part
    GM LS Cast Aluminum Valve Covers with Coil Mounts - Polished

    GM LS Cast Aluminum Valve Covers with Coil Mounts - Polished---

    Save $30.86

    GM LS Cast Aluminum Valve Covers with Coil Mounts - Polished

    Vendor:
    Top Street Performance
    SKU: JM8082-1P
    Regular price $226.29
    Sale price $226.29 Regular price $257.15
    Unit price /  per 
    Save $30.86
  • GM LS to Ford Fox Body Natural Motor Mount Adapter Plates GM LS to Ford Fox Body Natural Motor Mount Adapter Plates
    GM LS to Ford Fox Body Natural Motor Mount Adapter Plates

    GM LS to Ford Fox Body Natural Motor Mount Adapter Plates---

    Save $22.22

    GM LS to Ford Fox Body Natural Motor Mount Adapter Plates

    Vendor:
    Top Street Performance
    SKU: 81150
    Regular price $162.98
    Sale price $162.98 Regular price $185.20
    Unit price /  per 
    Save $22.22
  • GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Polished GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Polished
    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Polished

    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Polished---

    Save $249.07

    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Polished

    Vendor:
    Top Street Performance
    SKU: 81200-2P
    Regular price $1,826.53
    Sale price $1,826.53 Regular price $2,075.60
    Unit price /  per 
    Save $249.07
  • GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Black GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Black
    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Black

    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Black---

    Save $580.97

    GM LS Serpentine Front Drive System Brackets, Pulleys, and Belt Tensioner - Black

    Vendor:
    Top Street Performance
    SKU: 81200-2BK
    Regular price $2,060.48
    Sale price $2,060.48 Regular price $2,641.45
    Unit price /  per 
    Save $580.97
  • Universal GM LS and LT Swap Cold Air Intake Kit Universal GM LS and LT Swap Cold Air Intake Kit
    Universal GM LS and LT Swap Cold Air Intake Kit

    Universal GM LS and LT Swap Cold Air Intake Kit---

    Save $35.42

    Universal GM LS and LT Swap Cold Air Intake Kit

    Vendor:
    Top Street Performance
    SKU: 81091
    Regular price $259.71
    Sale price $259.71 Regular price $295.13
    Unit price /  per 
    Save $35.42
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '09 17-pin
    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '09 17-pin

    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '09 17-pin---

    Sold out

    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '09 17-pin

    Vendor:
    Top Street Performance
    SKU: WH1214-3
    Regular price $488.88
    Sale price $488.88 Regular price $555.55
    Unit price /  per 
    Sold out
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '05-'08 15 pin
    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '05-'08 15 pin

    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '05-'08 15 pin---

    Sold out

    Standalone Wiring Harness for Drive-by-Wire LY6/L92 - '05-'08 15 pin

    Vendor:
    Top Street Performance
    SKU: WH1214-2
    Regular price $488.88
    Sale price $488.88 Regular price $555.55
    Unit price /  per 
    Sold out
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '09 17-pin
    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '09 17-pin

    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '09 17-pin---

    Sold out

    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '09 17-pin

    Vendor:
    Top Street Performance
    SKU: WH1213-3
    Regular price $488.88
    Sale price $488.88 Regular price $555.55
    Unit price /  per 
    Sold out
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '05-'08 15-pin
    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '05-'08 15-pin

    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '05-'08 15-pin---

    Sold out

    Standalone Wiring Harness for Drive-by-Wire LH6/LY5/LMG/LH8 - '05-'08 15-pin

    Vendor:
    Top Street Performance
    SKU: WH1213-2
    Regular price $488.88
    Sale price $488.88 Regular price $555.55
    Unit price /  per 
    Sold out
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part GM LS1/LS6 Billet Aluminum Coil Brackets
    GM LS1/LS6 Billet Aluminum Coil Brackets

    GM LS1/LS6 Billet Aluminum Coil Brackets---

    Sold out

    GM LS1/LS6 Billet Aluminum Coil Brackets

    Vendor:
    Top Street Performance
    SKU: 81005
    Regular price $103.20
    Sale price $103.20 Regular price $117.28
    Unit price /  per 
    Sold out
  • GM LS 4-Flat to 2-Pin Alternator Adapter Cable GM LS 4-Flat to 2-Pin Alternator Adapter Cable
    GM LS 4-Flat to 2-Pin Alternator Adapter Cable

    GM LS 4-Flat to 2-Pin Alternator Adapter Cable---

    Save $4.20

    GM LS 4-Flat to 2-Pin Alternator Adapter Cable

    Vendor:
    Top Street Performance
    SKU: 81029
    Regular price $30.80
    Sale price $30.80 Regular price $35.00
    Unit price /  per 
    Save $4.20
  • LS1 3-Wire to LS3 5-Wire Mass Air Flow Sensor Adapter with Intake Air Temperature Sensor Plug LS1 3-Wire to LS3 5-Wire Mass Air Flow Sensor Adapter with Intake Air Temperature Sensor Plug
    LS1 3-Wire to LS3 5-Wire Mass Air Flow Sensor Adapter with Intake Air Temperature Sensor Plug

    LS1 3-Wire to LS3 5-Wire Mass Air Flow Sensor Adapter with Intake Air Temperature Sensor Plug---

    Save $4.80

    LS1 3-Wire to LS3 5-Wire Mass Air Flow Sensor Adapter with Intake Air Temperature Sensor Plug

    Vendor:
    Top Street Performance
    SKU: 81030
    Regular price $35.20
    Sale price $35.20 Regular price $40.00
    Unit price /  per 
    Save $4.80
  • GM LS VVT to Non-VVT Camshaft Sensor Connector Plug-and-Play Adapter GM LS VVT to Non-VVT Camshaft Sensor Connector Plug-and-Play Adapter
    GM LS VVT to Non-VVT Camshaft Sensor Connector Plug-and-Play Adapter

    GM LS VVT to Non-VVT Camshaft Sensor Connector Plug-and-Play Adapter---

    Save $4.20

    GM LS VVT to Non-VVT Camshaft Sensor Connector Plug-and-Play Adapter

    Vendor:
    Top Street Performance
    SKU: 81040
    Regular price $30.80
    Sale price $30.80 Regular price $35.00
    Unit price /  per 
    Save $4.20
  • GM LS Camshaft Position Sensor Bracket with Wiring Harness GM LS Camshaft Position Sensor Bracket with Wiring Harness
    GM LS Camshaft Position Sensor Bracket with Wiring Harness

    GM LS Camshaft Position Sensor Bracket with Wiring Harness---

    Save $3.70

    GM LS Camshaft Position Sensor Bracket with Wiring Harness

    Vendor:
    Top Street Performance
    SKU: 81058
    Regular price $27.15
    Sale price $27.15 Regular price $30.85
    Unit price /  per 
    Save $3.70
  • GM LS and LT Steel Dual Valve Spring Compressor Tool
    GM LS and LT Steel Dual Valve Spring Compressor Tool

    GM LS and LT Steel Dual Valve Spring Compressor Tool---

    Save $12.60

    GM LS and LT Steel Dual Valve Spring Compressor Tool

    Vendor:
    Top Street Performance
    SKU: 81092
    Regular price $92.40
    Sale price $92.40 Regular price $105.00
    Unit price /  per 
    Save $12.60
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part LS Style 58 PSI Fuel Filter Pressure Regulator
    LS Style 58 PSI Fuel Filter Pressure Regulator

    LS Style 58 PSI Fuel Filter Pressure Regulator---

    Save $7.41

    LS Style 58 PSI Fuel Filter Pressure Regulator

    Vendor:
    Top Street Performance
    SKU: 81095
    Regular price $54.32
    Sale price $54.32 Regular price $61.73
    Unit price /  per 
    Save $7.41
  • Close-up of TSP Chevy Big Block Aluminum Cylinder Head - Precision Engineering
    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Black

    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Black---

    Save $7.78

    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Black

    Vendor:
    Top Street Performance
    SKU: 81104BK
    Regular price $57.02
    Sale price $57.02 Regular price $64.80
    Unit price /  per 
    Save $7.78
  • TSP Chevy Big Block Aluminum Cylinder Head - High Performance Auto Part
    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Natural

    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Natural---

    Save $7.78

    GM LT Gen V to Small Block/Big Block Chevy Motor Mount Adapter Plates - Natural

    Vendor:
    Top Street Performance
    SKU: 81104
    Regular price $57.02
    Sale price $57.02 Regular price $64.80
    Unit price /  per 
    Save $7.78
  • GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin
    GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin

    GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin---

    Save $22.50

    GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin

    Vendor:
    Top Street Performance
    SKU: 81141
    Regular price $165.00
    Sale price $165.00 Regular price $187.50
    Unit price /  per 
    Save $22.50
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