LS 5.3 Twin-Turbo Street/Drag Motor Package

High-Performance LS 5.3 Aluminum Twin-Turbo Motor & 400 Transmission Package

Take your LS build to the next level with this fully upgraded LS 5.3 aluminum twin-turbo motor package. Designed for both street and drag applications, this package combines proven LS reliability with high-performance components, ensuring long-lasting durability and maximum power output. Every part has been carefully selected, upgraded, and tested to give you a turnkey motor that delivers results right out of the box.

Motor Specifications & Features

• LS 5.3 Aluminum Block: Lightweight, durable, and engineered to handle forced induction setups.

• New Gapped Rings & Bearings: Ensures smooth operation, optimal compression, and engine longevity.

• All-New ARP Hardware: Industry-leading bolts and fasteners for ultimate reliability under extreme performance conditions.

• BTR Stage 2 Turbo Cam: Optimized for turbocharged setups to deliver maximum power and torque.

• Stock Rockers with Trunnion Upgrades: Reinforced for improved valvetrain stability at high RPMs.

• Dart Pro 1 Cylinder Heads with BTR LS 660 Springs: High-flow heads for better combustion and power output.

• LS7 Lifters & LS9 Head Gaskets: Precision components for better sealing, valve control, and reliability.

• BTR Intake with 210 Bosch Injectors, Throttle Body, and Coil Packs: Ensures optimal air-fuel delivery and ignition performance.

• Forward-Facing Speed Engineering Header: Reduces turbo lag while improving exhaust flow.

• Holley Wiring Harness: Simplifies installation while maintaining full performance tuning options.

• Stock Rods, Crank, and Pistons: Balanced for durability under high power loads.

• Holley Oil Pan Drilled for Twin Turbos: Ready for forced induction setups.

• Stock Starter with SF1 Flexplate and Motor Damper: Provides reliable starts and smooth engine operation.

Transmission & Turbo Setup

• 400 Automatic Transmission with Reverse Shifting & Trans Brake: Perfect for drag or street performance builds.

• PTC 10” Turbo Converter Designed for LS1: High-stall, performance-ready for immediate launch power.

• HS 200+21 B.S. with LS Pilot: Ensures seamless power delivery from turbo to transmission.

Why This Package is Special

This LS 5.3 twin-turbo motor is ready for serious performance enthusiasts. Unlike stock or rebuilt motors, it comes with carefully selected upgrades to improve reliability, reduce maintenance issues, and maximize output. From hard launches to high-RPM street driving, every component in this package is built to perform under extreme conditions.

It’s ideal for:

• Drag builds looking for instant launch power

• Street builds that demand reliability and longevity

• Auto enthusiasts who want a turnkey LS turbo motor without sourcing parts individually