Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Universal Fit

Need parts that work across platforms? Our Universal Fit collection includes components...

Universal Fit

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Welcome to WrenchIt — premium performance parts for serious builders.

Shop by Application
- GM / Chevrolet
  
  Chevy Small Block
  Chevy Big Block
  LS Engines
  Pontiac
  Oldsmobile
- Fod
  
  Cleveland
  Windsor
  Big Block
  Big Block Boss
  Coyote
  Modular
  FE Series
- Mopar / Chrysler / Dodge
  
  Big Block
  Small Block
- Universal Fit
Shop by Brand
- Speedmaster
Contact

Country/region

Search

Language

English
Español

Country/region

Search

Language

English
Español

Search

Collection: GM LS Engines

Discover everything you need for GM LS engines, including LS1, LS2, LS3, LS6, and LS7. From swaps to upgrades, we stock trusted parts built to unlock the full potential of your LS platform.

Sort by:

204 products

Filter and sort Filter

Filter and sort

Filter

204 products

Sort by:

Remove all

204 products

Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Light #1 Billet Steel SFI Flywheel

Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Light #1 Billet Steel SFI Flywheel

Vendor:
Speedmaster

Regular price $191.90 USD

Regular price Sale price $191.90 USD
Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Bal. Billet Steel SFI Flywheel

Sold out

Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Bal. Billet Steel SFI Flywheel

Vendor:
Speedmaster

Regular price $175.05 USD

Regular price ~~$194.40 USD~~ Sale price $175.05 USD

Sold out
Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Balance Heavy Duty Flexplate

Sale

Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Balance Heavy Duty Flexplate

Vendor:
Speedmaster

Regular price $51.20 USD

Regular price ~~$60.20 USD~~ Sale price $51.20 USD

Sale
Chevy LS7 1.600" 5.250" 8mm Stainless Steel Exhaust Valves

Chevy LS7 1.600" 5.250" 8mm Stainless Steel Exhaust Valves

Vendor:
Speedmaster

Regular price $58.00 USD

Regular price Sale price $58.00 USD
Chevy LS1 1.7 Ratio Aluminum Pedestal Mount Roller Rocker Arm Set Black

Sale

Chevy LS1 1.7 Ratio Aluminum Pedestal Mount Roller Rocker Arm Set Black

Vendor:
Speedmaster

Regular price $261.38 USD

Regular price ~~$307.50 USD~~ Sale price $261.38 USD

Sale
Chevy LS1 40+ Gpm Slimline Electric Water Pump Polished

Sale

Chevy LS1 40+ Gpm Slimline Electric Water Pump Polished

Vendor:
Speedmaster

Regular price $225.00 USD

Regular price ~~$250.00 USD~~ Sale price $225.00 USD

Sale
Chevy GM LS3 Downdraft EFI Stack Intake Manifold System Complete Polished

Chevy GM LS3 Downdraft EFI Stack Intake Manifold System Complete Polished

Vendor:
Speedmaster

Regular price $2,450.00 USD

Regular price Sale price $2,450.00 USD
Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black]

Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Black]

Vendor:
Speedmaster

Regular price $4,006.50 USD

Regular price Sale price $4,006.50 USD
Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Polished]

Chevy GM LS1 Downdraft + FiTech Ultra EFI Fuel Injection System [Polished]

Vendor:
Speedmaster

Regular price $4,006.50 USD

Regular price Sale price $4,006.50 USD
Chevy GM LS3 Downdraft + FiTech Ultra EFI Fuel Injection System [Polished]

Chevy GM LS3 Downdraft + FiTech Ultra EFI Fuel Injection System [Polished]

Vendor:
Speedmaster

Regular price $4,006.50 USD

Regular price Sale price $4,006.50 USD
Chevy LS2 LS7 2005-2006 Stock Replacement Billet Aluminum Fuel Injector Rail Kit - Black

Chevy LS2 LS7 2005-2006 Stock Replacement Billet Aluminum Fuel Injector Rail Kit - Black

Vendor:
Speedmaster

Regular price $94.80 USD

Regular price Sale price $94.80 USD
Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Black]

Sold out

Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Black]

Vendor:
Speedmaster

Regular price $148.00 USD

Regular price Sale price $148.00 USD

Sold out
Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Silver]

Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Silver]

Vendor:
Speedmaster

Regular price $148.00 USD

Regular price Sale price $148.00 USD
Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Polished]

Chevy GM LS1 LS2 LS3 LS6 LS7 Aluminum Valve Covers [Polished]

Vendor:
Speedmaster

Regular price $148.00 USD

Regular price Sale price $148.00 USD
Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Black]

Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Black]

Vendor:
Speedmaster

Regular price $354.00 USD

Regular price Sale price $354.00 USD
Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished]

Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished]

Vendor:
Speedmaster

Regular price $352.50 USD

Regular price Sale price $352.50 USD
Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Satin]

Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Satin]

Vendor:
Speedmaster

Regular price $335.50 USD

Regular price Sale price $335.50 USD
Chevy LS2 4.000" 403ci Forged Rotating Assembly Kit [4.005]

Chevy LS2 4.000" 403ci Forged Rotating Assembly Kit [4.005]

Vendor:
Speedmaster

Regular price $2,230.00 USD

Regular price Sale price $2,230.00 USD
Chevy GM LS7 Engine Complete Performance Gasket Set with MLS Head Bore 4.160

Chevy GM LS7 Engine Complete Performance Gasket Set with MLS Head Bore 4.160

Vendor:
Speedmaster

Regular price $195.00 USD

Regular price Sale price $195.00 USD
Chevy GM LS3 Engine Complete Performance Gasket Set with MLS Head Bore 4.106

Chevy GM LS3 Engine Complete Performance Gasket Set with MLS Head Bore 4.106

Vendor:
Speedmaster

Regular price $195.00 USD

Regular price Sale price $195.00 USD
Chevy GM LS2 Engine Complete Performance Gasket Set with MLS Head Bore 4.050

Chevy GM LS2 Engine Complete Performance Gasket Set with MLS Head Bore 4.050

Vendor:
Speedmaster

Regular price $215.00 USD

Regular price Sale price $215.00 USD
Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] 8pcs

Sale

Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] 8pcs

Vendor:
Speedmaster

Regular price $396.00 USD

Regular price ~~$440.00 USD~~ Sale price $396.00 USD

Sale
Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Round D580] 8pcs

Sale

Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Round D580] 8pcs

Vendor:
Speedmaster

Regular price $238.50 USD

Regular price ~~$265.00 USD~~ Sale price $238.50 USD

Sale
Chevy GM LS1 LS6 Engine Complete Performance Gasket Set with MLS Head Bore 3.945

Chevy GM LS1 LS6 Engine Complete Performance Gasket Set with MLS Head Bore 3.945

Vendor:
Speedmaster

Regular price $215.00 USD

Regular price Sale price $215.00 USD

1
…
5
6
7
8
9

Join the WrenchIt Pit Crew

Email

Country/region

Search

Language

English
Español

Payment methods

© 2026, WrenchIt Powered by Shopify

Privacy policy
Refund policy
Terms of service
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.