Holley Bhs554 1988-1998 C1500 Ls/Lt Swap Engine Mount - Premium Rear Biased Position

Features/Benefits:

• Choose From Standard Or Premium Engine Mounting Brackets € For Two-Wheel Drive Or Four-Wheel Drive

1/2-Ton Trucks

• Standard Engine Mount Brackets (Bhs552, Bhs553, Bhs555, Or Bhs556) Are Designed For Use With The Factory V8 Engine Isolators And Provide A Simple, Cost-Effective Ls Or Gen-V Lt Engine Mounting Solution
• Premium Engine Mount Brackets (Bhs554, Bhs564, Bhs580, Or Bhs581) 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 (Since The Mounting Brackets, Polyurethane Inserts, And Through-Bolts Are The Same For Both Engines)

• 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 And Maintains The Stock Location Of The Transfer Case And Driveshafts With 6L80/6L90 Transmission Installations In 4Wd Applications
• Rear-Bias Engine Location (Stock Bellhousing Plane Position) Allows An Existing Transmission Transfer Case And Related Driveshaft(S) To Remain Undisturbed, If Desired
• Standard Mounting Brackets Are Engineered To Accommodate Either Engine Location, Premium Engine Mounting Brackets Are Available In Forward Or Rear Bias Configurations
• Compatible With Factory Vortec Exhaust Manifolds For Use In 50-State Legal Ls Engine Swap (With Appropriate Catalytic Converters)
• Compatible With Hooker Blackheart Bh13266 Ls Swap Headers, Or Bh13272 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

Hooker Blackheart Application-Specific Ls/Lt Swap Engine Mounting Brackets Eliminate The Installation Guesswork And Compatibility Uncertainty That Comes With Using Universal Swap Plate Mounting Methods. These Mounting Brackets Are Available With Forward-Bias, Rearward-Bias, Or Dual Engine Mounting Positions That Optimize Powertrain Placement Based On User-Selected Transmission, Transfer Case And Driveshaft Compatibility/Retention Priorities. The Factory Transmission Crossmember Is Re-Used With These Mounting Brackets (Cost Savings Since Driveshafts And Crossmember Are Re-Used). 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 Bh13266 Ls Swap Headers Or Bh13272 Lt Swap Headers. Mounts Feature A Black Powder-Coated Finish And Include (2) Engine Mounting Brackets, Attaching Hardware And Instructions.