Filters

  • In Stock
  • Make/Engine
  • Fuel Injection System Type
  • Power Adder Compatible
  • Fuel System Included
  • Ignition System Included
  • Power Distribution Included
  • Transmission Controller Included
  • Cylinder Head Type
  • Engine Block Deck Height
  • Throttle Body Mounting Flange
  • Fuel Pressure Regulator Included
  • Price Range
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Make/Engine
  • Fuel Injection System Type
  • Power Adder Compatible
  • Fuel System Included
  • Ignition System Included
  • Power Distribution Included
  • Transmission Controller Included
  • Cylinder Head Type
  • Engine Block Deck Height
  • Throttle Body Mounting Flange
  • Fuel Pressure Regulator Included
  • Price Range
  • Filter Options
  • Savings Central

147 Results Found For "ls1"

Showing In Stock Items. Show All 317 Items.

Individual Parts
Part Groups

Results 1 - 25 of 147

FiTech 8 Stack EFI LS1 Systems with Transmission Control 30108

FiTech 8 Stack EFI LS1 Systems with Transmission Control 30108

FiTech 8 Stack EFI LS1 Systems with Transmission Control 30108

FiTech LS1 8 Stack Black EFI System w/Trans Control

Part Number: FIF-30108

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79931

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79931

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79931

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79931

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78930

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78930

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78930

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78930

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78931

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78931

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78931

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78931

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78932

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78932

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78933

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78933

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78933

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78933

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79933

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79933

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79933

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79933

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79630

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79630

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79630

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79630

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79633

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79633

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79633

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79633

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79930

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79930

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79930

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79930

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78630

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78630

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78630

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78630

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78631

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78631

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78631

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78631

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78632

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78632

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79631

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79631

FiTech Ultimate LS 1,000 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79631

Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79631

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79632

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79932

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78633

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78633

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78633

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78633

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79934

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79934

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79934

Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-79934

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78934

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78934

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78934

Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78934

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78937

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78937

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78937

Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-78937

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78935

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78935

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78935

Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78935

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78936

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78936

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78936

Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-78936

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78635

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78635

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78635

Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78635

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79937

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79937

FiTech Ultimate LS 1,000 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79937

Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-79937

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79935

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79935

FiTech Ultimate LS 1,000 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79935

Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-79935

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today