ls6 454 (1970 high-output)

Product Overview & Specifications

• In Stock, Chevrolet 7.4L 454 Big Block V8 Engines Available
• Free Shipping to All 50 States via Freight Pallet, 7 to 14 Business Days
• Generation Verified (Mark IV 1970 to 1990 / Gen V 1991 to 1995 / Gen VI Vortec 7400 1996 to 2000)
• Engine Code Confirmed (LS5, LS6, LS4, L21, L29, etc.)
• All 8 Cylinders Compression Tested
• Cylinder Head Port Configuration Verified (Peanut Port vs Oval Port vs Rectangular Port)
• Main Bearing Cap Configuration Documented (2-Bolt or 4-Bolt)
• Block Casting Numbers Documented
• Intake Manifold Matched to Generation
• Fuel System Identified (Carburetor / TBI / MPFI)
• Oil Pressure Verified
• 100% Inspection Before Every Order Ships