Features:

• Clamshell uses Hooker BlackHeart LS/LT 4th Gen F-Body style Poly Inserts to place engine crank centerline and transmission mounting plane in the same position as a stock LS engine
• Works with all Holley LS swap kits that utilize 4th Gen F-Body mounts, allowing installation of a Gen 5 LT engine into a Holley LS swapped vehicle while maintaining the same transmission position and crossmember (Will require new headers)
• Heavy duty 11 gauge steel construction with reinforcement ribs for strength and durability
• Two piece bolt together design (eliminates the rivet drilling required when using OE mounts)
• Durable powder coated finish
• For use with Hooker BlackHeart LS/LT Polyurethane Inserts â€" P/N’s 71221016HKR (Black) or 71221017HKR (Red)
• Sold individually (Consisting of one upper and one lower plate; Two required per vehicle)
• Hardware kit included