427ci GM LT Gen V | Aluminum Re-Sleeve Block | Dry Sump | Factory Mast Heads

Engine pricing & lead times vary - please call 1-866-551-4916 for pricing & delivery estimate. Click here to request a custom engine with our free engine quote questionaire.   Mast Motorsports 427 Cubic inch GM Gen V LT engine- Port Fuel injection or Direct Injection- Dry Sump- Performance Engine Mast hand builds each engine, and remanufactures components to bring you only the highest quality engine available. Specs 427 Cubic Inch Factory Mast GM Gen V Re-Sleeve Block Factory Mast LST Conversion Large Valve Heads (CNC Ported) Performance Camshaft with Dual Spring & Titanium Retainers Factory Mast LT2 LST Conversion Intake - Port Injection Optional Dry Sump System- LT4 Factory Style Supplied with Ignition Coils HP Rated at 660+ HP Factory Mast L8T Based Front Accessory Drive Options- Add Air Conditioning Accessory Drive & Sanden Pump Holley Terminator ECM with Wiring Harness - Port Fuel Injection Holley Dominator ECM with Wirting Harness - Direct Injection or Port In