Custom Built LS Crate Engines

Introducing Proformance Unlimited’s line of LS based hot rod engines. Where new school performance meets old school looks. We have developed a complete line of fuel injected and carbureted LS based power plants to fit almost everyone’s needs. If you don’t see something you want give us a call and we will design it for you. Our vision on these engines is to bring back the really cool looks from yesteryears engines with today’s reliability. Whether it’s a classic carbureted engine or a wild fuel injected side draft look your after you’ve found the right builder. Take your time checking out our youtube videos and engine package designs. We are well known for our high quality, reliable, show car quality engine builds.

LS6/LQ9 364CI 480HP Crate Engine

LS6/LQ9 364CI 480HP Crate Engine
*Shown with optional upgrades

Starting at $11,400

LQ9 408CI 575HP Complete Crate Engine

LQ9 408CI 575HP Complete Crate Engine
*Shown with optional upgrades

Starting at $13,795

LQ9 420CI 625HP Complete Crate Engine

LQ9 420CI 625HP Complete Crate Engine
*Shown with optional upgrades

Starting at $14,295

LS3 376 550HP EFI

LS3 376 550HP EFI
*Shown with optional upgrades

Starting at $13,395

LS3 416 600HP EFI

LS3 416 600HP EFI
*Shown with optional upgrades

Starting at $14,795

LS 427 625HP EFI

LS 427 625HP EFI
*Shown with optional upgrades

Starting at $15,695

LS 441CI 700HP Crate Engine

LS 441CI 700HP Crate Engine
*Shown with optional upgrades

Starting at $16,495.00

LSx 454CI 750HP Crate Engine

LSx 454CI 750HP Crate Engine
*Shown with optional upgrades

Starting at $18,995

Supercharged 408CI 780HP LS Crate Engine

Supercharged 408CI 780HP LS Crate Engine
*Shown with optional upgrades

Starting at $24,999

Supercharged 416CI 820HP LSA Crate Engine

Supercharged 416CI 820HP LSA Crate Engine
*Shown with optional upgrades

Starting at $27,995

Supercharged 427CI 1000HP LSX Crate Engine

Supercharged 427CI 1000HP LSX Crate Engine
*Shown with optional upgrades

Starting at $29,995