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Holley's Level kits take the guesswork out of what you need to complete your LS swap!

Level 1 Kits set the foundation of your LS swap with an engineered solution that gets the engine and transmission firmly planted into your ride. The following levels build upon that foundation to create complete solutions for your LS Swap project.


Includes the Parts Needed To Mount Your Engine and Transmission:

  • Hooker BlackHeart Engine Mount Brackets
  • Hooker BlackHeart Heavy Duty Clamshell Engine Mounts
  • Hooker BlackHeart Polyurethane Engine Mount Inserts
  • Hooker BlackHeart Transmission Crossmember
  • Hooker Blackheart A/C Evaporator Side Cover
  • Engine Mount Bolts
Go to Level One Products

Includes Level 1 Plus:

  • Holley LS Retro-fit Oil Pan
  • Holley LS Dipstick and Tube Kit
  • Mr. Gasket Oil Pan Gasket
  • Mr. Gasket Oil Pan Bolt Set
Go to Level Two Products

Includes Level 2 Plus:

  • Hooker BlackHeart Swap Headers or Manifolds
  • Hooker BlackHeart 3" Single or Dual Stainless Steel Exhaust
  • Hooker BlackHeart Exhaust Adapters (If required)
  • Hooker Blackheart Steering Shaft
Go to Level Three Products

Includes Level 3 Plus:

  • Holley Complete Accessory Drive System (Alt, P/S & A/C)
Go to Level Four Products

Includes Level 4 Plus:

  • Sniper Diecast 340 LPH In-Tank RetroFit Returnless Fuel Module
  • Holley EFI Fuel System Plumbing Kit
Go to Level Five Products
Narrow Results
Kit Type
  • Includes Cast Iron Manifolds and 3" Single Exhaust
  • Includes Headers and 3" Dual Exhaust
  • Includes Headers and 3" Single Exit Exhaust
  • No exhaust
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