LS 5.3L Crate Engine 400hp Long Block - Gen 3 24x
Powertrain Products - 5.3L LS Long Block Crate Engine
5.3L Iron block hot rod swap engine, based on 99-07 LM7 platform
- DOD deleted
- LS Gen 3 (24x)
- Includes timing cover and truck oil pan
- 400hp crank horsepower ratings
Your specific power ratings will depend greatly on setup and tuning - 2 year/24k mile warranty against manufacturers defects inspection of engine upon failure may be required See warranty for details***
- No core charge
engine is designed for use in off road non emission compliant vehicles.
Horsepower ratings in dyno sheet are crank horsepower ratings, and are based off a carbureted application
THE POWERTRAIN PRODUCTS DIFFERENCE:
| Powertrain Products | ||
|---|---|---|
| High-Quality Parts We Use New Parts To Rebuild Our Engines |
|
|
| Warranty Protection 2 Years/24k Miles |
|
|
| No Pricing Tricks, No Surprise Fees |
|
|
| Rigorous Testing Ensures Optimal Performance That Meets Or Exceeds OEM Specs |
|
Product Information
Product Information
Shipping & Returns
Shipping & Returns

LS 5.3L Crate Engine 400hp Long Block - Gen 3 24x
LS 5.3L Crate Engine 400hp Long Block - Gen 3 24x
Powertrain Products - 5.3L LS Long Block Crate Engine
5.3L Iron block hot rod swap engine, based on 99-07 LM7 platform
- DOD deleted
- LS Gen 3 (24x)
- Includes timing cover and truck oil pan
- 400hp crank horsepower ratings
Your specific power ratings will depend greatly on setup and tuning - 2 year/24k mile warranty against manufacturers defects inspection of engine upon failure may be required See warranty for details***
- No core charge
engine is designed for use in off road non emission compliant vehicles.
Horsepower ratings in dyno sheet are crank horsepower ratings, and are based off a carbureted application
THE POWERTRAIN PRODUCTS DIFFERENCE:
| Powertrain Products | ||
|---|---|---|
| High-Quality Parts We Use New Parts To Rebuild Our Engines |
|
|
| Warranty Protection 2 Years/24k Miles |
|
|
| No Pricing Tricks, No Surprise Fees |
|
|
| Rigorous Testing Ensures Optimal Performance That Meets Or Exceeds OEM Specs |
|
Original: $4,699.00
-70%$4,699.00
$1,409.70Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Powertrain Products - 5.3L LS Long Block Crate Engine
5.3L Iron block hot rod swap engine, based on 99-07 LM7 platform
- DOD deleted
- LS Gen 3 (24x)
- Includes timing cover and truck oil pan
- 400hp crank horsepower ratings
Your specific power ratings will depend greatly on setup and tuning - 2 year/24k mile warranty against manufacturers defects inspection of engine upon failure may be required See warranty for details***
- No core charge
engine is designed for use in off road non emission compliant vehicles.
Horsepower ratings in dyno sheet are crank horsepower ratings, and are based off a carbureted application
THE POWERTRAIN PRODUCTS DIFFERENCE:
| Powertrain Products | ||
|---|---|---|
| High-Quality Parts We Use New Parts To Rebuild Our Engines |
|
|
| Warranty Protection 2 Years/24k Miles |
|
|
| No Pricing Tricks, No Surprise Fees |
|
|
| Rigorous Testing Ensures Optimal Performance That Meets Or Exceeds OEM Specs |
|
























