Engines and Components Engines, Blocks and Components

LS3

LS3 525HP Engine and T56 Transmission Package

$21,475.00

SKU: 2671342148

In Stock
In Stock
Ships by Jul 30
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Chevrolet LS3 525HP Engine and T56 Transmission Package is a performance powertrain system designed for enthusiasts. This package includes a dyno-tested LS3 engine producing 525 horsepower and 486 ft-lbs of torque, paired with a Tremec T56 6-speed manual transmission.

The engine features a 376 cubic inch (6.2L) aluminum block, a hydraulic roller camshaft, and a 10.7:1 compression ratio, recommending 91 octane fuel. The T56 transmission offers a 700 ft-lbs torque capacity, a 2.66 first gear ratio, and a .63 overdrive, with an aluminum LS/LT bellhousing and a McLeod RST Twin Disc Clutch.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandLS3
Part Number2671342148
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy