427ci Factory Mast LST GenV Crate Engine | 625hp | Offroad Spec
Factory Mast Engines Deliver Turn Key Crate Engine quality.
Factory Mast hand builds each engine, and remanufactures components to bring you only the highest quality turn key engine available.
Factory Mast LS engines come standard with CNC ported OE Castings.
EVERY Engine is dyno tested, and pre-programmed with a baseline dyno tune*, to get you on the road faster. Backed by the Mast Limited Warranty.
- Part Number: EN-LST-302427
- 427 Cubic Inch
- Factory Mast GM Gen V Re-Sleeve Block
- Factory Mast LST Conversion Large Valve Heads
- Factory Mast LT2 LST Conversion Intake - Port Injection
- Off Road Spec Cam
- Wet Sump System
- Ready to Run - Wire & Drive
- HP Rated at 625+ HP
- Factory Mast L8T Based Front Accessory Drive
- Holley ECM & Wiring Harness
- Mast Billet Drive by Cable Throttle Body
- Ready to Run - Just Wire & Drive
- Comes with Starter, water pump
- All Engine Controls, wiring harness
- Add Billet LT Mast Valve Covers
- Add Air Conditioning Accessory Drive & Sanden Pump
* We recommend final tune be done in your vehicle for ultimate drive-ability.