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.

LS 327CI 430HP Carbureted

LS 327CI 430HP Carbureted
*Shown with optional upgrades

Starting at $8,999

LS 327CI 450HP Fuel Injected

LS 327CI 450HP Fuel Injected
*Shown with optional upgrades

Starting at $9,499

LQ9 372CI 525HP EFI

LQ9 372CI 525HP EFI
*Shown with optional upgrades

Starting at $10,950

LS3 376 550HP EFI

LS3 376 550HP EFI
*Shown with optional upgrades

Starting at $12,995

LS3 416 600HP EFI

LS3 416 600HP EFI
*Shown with optional upgrades

Starting at $13,995

SuperCharged LS3 376CI 720HP

SuperCharged LS3 376CI 720HP
*Shown with optional upgrades

Starting at $23,500.00

Custom Super Charged 427CI LSA 820+HP With Swap Kit

Custom Super Charged 427CI LSA 820+HP With Swap Kit
*Shown with optional upgrades

Starting at $26,500.00

LS7 427 625HP EFI

LS7 427 625HP EFI
*Shown with optional upgrades

Starting at $14,995

LS7 427CI 700HP Yenko(R) Design

LS7 427CI 700HP Yenko(R) Design
*Shown with optional upgrades

Starting at $16,995

LS7 441CI 750HP EFI

LS7 441CI 750HP EFI
*Shown with optional upgrades

Starting at $17,995