Chevrolet Performance Retro Series L8T/L8P 6.6L/4L70 Engine/Transmission package

Description

Unleash modern muscle with this LT-based crate engine — a next-generation small-block built for serious power, efficiency, and durability. Featuring advanced combustion design, high-flow cylinder heads, direct injection, and improved thermal management, the LT platform delivers stronger torque curves, sharper throttle response, and greater overall efficiency compared to previous generations.

Designed for high-performance builds, restomods, track cars, and pro-touring applications, this engine provides factory-engineered reliability with cutting-edge technology — straight from the foundation used in today’s top-tier performance vehicles.

Whats included

1. New Chevrolet Performance 6.6L L8T (400HP/445TQ)/L8P (523HP/545TQ) crate engine

2. Completed engine with injectors and High Pressure Fuel Pump

3. Ignition coils with wires and spark plugs

4. LT swap Oil Pan (4wd pan also available. Additional $1200 for front sump or specialty oil pans)

5. Factory swap friendly exhaust manifolds (will not fit all applications)

6. Black Holley serpentine kit (SD7 A/C compressor, water pump, 150 amp Alternator, GM Type II power steering pump, belt tensioner/ 8 rib serpentine belt, Lifetime warranty)

7. Paint color optional

8. SBC valve covers w/ concealed coil adapters and extra long ignition wires

9. Single plane intake w/ DBW throttle body and dual snorkel Air Cleaner

10. Billet valley cover for a cleaner and more presentable look

11. Starter Motor

12. Flexplate

13. Engine/Transmission hardware

14. Converter Hardware

15. L8T (400HP) will include a 2800 stall converter, L8P (523HP) will include 3000 stall converter

16. Stage 3 4L70 (4 speed automatic transmission, 600HP rating, black finish)

 

Optional:

Holley Standalone kit 

To pair with 4 speed automatic transmission (+3550)

PSI Conversion

To pair with a manual transmission  (+1814)

To pair with a 10 speed automatic (+3100)