Factory LS Vortec exhaust manifolds can be used along with the engine mounting brackets and are required to support a street-legal engine change (with catalytic converters). Off-Road racing applications can use Hooker BlackHeart BH13272 Gen-V LT Swap Headers. Mounts feature a black powder-coated finish and Include (2) engine mounting brackets, attaching hardware and instructions.

Features

Premium Engine Mounting Brackets – for Two-Wheel Drive 1/2-Ton Trucks

Premium Engine Mount Brackets are Used with Hooker Blackheart Clamshells (71221018HKR for LS engines, or 71221019HKR for LT engines) with Through Bolts 71223015HKR, and Poly Inserts 71221016HKR (Black) or 71221017HKR (Red)

The Modular Design of the Premium Engine Mounts Provides Expanded Accessory Drive Component Compatibility and Allows Future Engine Changes from GM LS to Gen-V LT by Merely Changing the Engine Mount Clamshells

Fore/Aft Engine Mounting Engine Position Options – Optimizes Powertrain Placement Based on User-selected Transmission, Transfer Case and Driveshaft Compatibility/Retention Priorities

Forward-Bias Engine Location Provides Enhanced T56 Magnum Transmission Fitment and Engine Accessory Drive Compatibility in 2WD Applications

Rear-Bias Engine Location (Stock Bellhousing Plane Position) Allows an Existing Transmission and Driveshaft to Remain Undisturbed, if Desired

Compatible with Factory Vortec Exhaust Manifolds for Use in 50-State Legal LS Engine Swap (with Appropriate Catalytic Converters)

Compatible with Hooker Blackheart BH13272 Gen-V LT Swap Headers for Racing and Competition Applications

Factory Driveshafts and Transmission Crossmember are Re-Used with Engine Swap

Fabricated 1/4" Steel Plate Construction - Provides a Strong, Durable Mounting Solution

Semi-Gloss Black Powder Coat - for a Durable Corrosion Resistant Finish

Allows Use of Electric Cooling Fan, or Factory Vortec Mechanical Cooling Fan

Compatible Oil Pans: Factory GM Truck LS Oil Pan, 302-2, 302-3, or 302-20