[{"id":170473980001,"handle":"all-products","updated_at":"2024-09-08T18:15:03-05:00","published_at":"2020-09-09T18:55:52-05:00","sort_order":"best-selling","template_suffix":"pf-e03b4526","published_scope":"global","title":"All The Parts","body_html":""},{"id":416547406037,"handle":"autocross-endurance-engines","updated_at":"2024-07-18T13:10:32-05:00","published_at":"2023-04-10T17:11:22-05:00","sort_order":"best-selling","template_suffix":"pf-5c45a8b3","published_scope":"global","title":"Autocross\/Endurance Engines","body_html":""},{"id":347630918,"handle":"best-selling-products","title":"Best Selling Products","updated_at":"2024-09-08T18:15:03-05:00","body_html":null,"published_at":"2016-10-02T12:22:59-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":true,"rules":[{"column":"title","relation":"contains","condition":"Best Selling"},{"column":"title","relation":"not_contains","condition":"Best Selling"}],"published_scope":"global"},{"id":170473947233,"handle":"all-factory-mast-products","updated_at":"2024-06-06T16:25:24-05:00","published_at":"2020-09-09T18:55:33-05:00","sort_order":"best-selling","template_suffix":"pf-b987ad6d","published_scope":"global","title":"Factory Mast","body_html":""},{"id":241327898823,"handle":"factory-mast-lt-crate-engines","updated_at":"2024-07-18T13:10:34-05:00","published_at":"2021-01-11T12:49:51-06:00","sort_order":"best-selling","template_suffix":"pf-5c45a8b3","published_scope":"global","title":"Factory Mast - LT Crate Engines","body_html":""},{"id":170473259105,"handle":"lt-engines","updated_at":"2024-07-22T14:11:16-05:00","published_at":"2020-09-09T18:45:11-05:00","sort_order":"manual","template_suffix":"pf-5c45a8b3","published_scope":"global","title":"LT Engines","body_html":"\u003cp style=\"text-align: center;\"\u003e Engine lead times vary - please call \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e1-866-551-4916 for delivery estimate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/airtable.com\/app1GO7hNT6zpA60j\/pagvNV3bFTNeJTxEO\/form\" rel=\"noopener\" target=\"_blank\"\u003eClick here to request a custom engine with our free engine quote questionaire.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e"},{"id":152865931361,"handle":"all-engines","updated_at":"2024-07-22T14:11:32-05:00","published_at":"2019-10-17T10:47:43-05:00","sort_order":"manual","template_suffix":"pf-5c45a8b3","published_scope":"global","title":"Products - Engines","body_html":"\u003cp style=\"text-align: center;\"\u003eEngine lead times vary - please call \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e1-866-551-4916 for delivery estimate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/airtable.com\/app1GO7hNT6zpA60j\/pagvNV3bFTNeJTxEO\/form\" rel=\"noopener\" target=\"_blank\"\u003eClick here to request a custom engine with our free engine quote questionaire.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e"}]
["autocross\/endurance","Factory Mast","turn key engine"]
Skip to content
427ci Factory Mast LST GenV Crate Engine | 660hp | Autocross Spec | Dry Sump
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 LST 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.
Specs
- Part Number: EN-LST-302428
- 427 Cubic Inch
- Factory Mast GM Gen V Re-Sleeve Block
- Factory Mast LST Conversion Large Valve Heads
- Mast Fabricated LT Valve Covers
- Factory Mast LT2 LST Conversion Intake - Port Injection
- Dry Sump System
- Ready to Run - Wire & Drive
- HP Rated at 660+ HP
- Factory Mast L8T Based Front Accessory Drive
- Holley ECM & Wiring Harness
- Ready to Run - Just Wire & Drive
- Comes with Starter
- All Engine Controls, wiring harness
Options-
- Add Air Conditioning Accessory Drive & Sanden Pump
* We recommend final tune be done in your vehicle for ultimate drive-ability.