[{"id":170473980001,"handle":"all-products","updated_at":"2024-10-09T15:35:11-05:00","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":347630918,"handle":"best-selling-products","title":"Best Selling Products","updated_at":"2024-10-11T10:45:14-05:00","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":239860613319,"handle":"black-label-short-blocks","updated_at":"2024-04-22T16:21:42-05:00","published_at":"2020-12-23T13:26:20-06:00","sort_order":"best-selling","template_suffix":"","published_scope":"global","title":"Black Label - Short Blocks","body_html":""},{"id":29758751,"handle":"ls-engines","updated_at":"2024-09-18T15:53:53-05:00","published_at":"2014-10-22T13:00:00-05:00","sort_order":"manual","template_suffix":"pf-5c45a8b3","published_scope":"global","title":"LS Engines","body_html":"\u003cp style=\"text-align: center;\"\u003eHandbuilt LS engines from Mast Motorsports. Complete your engine with front drives, engine controllers and everything in between.\u003c\/p\u003e\n\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","image":{"created_at":"2019-07-17T19:59:16-05:00","alt":null,"width":1771,"height":2048,"src":"\/\/www.mastmotorsports.com\/cdn\/shop\/collections\/LS7_427_2.9L_5b220b5e-531f-4e78-ab93-e0c33003d409.png?v=1563411558"}},{"id":152865931361,"handle":"all-engines","updated_at":"2024-09-18T15:53:53-05:00","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"},{"id":29758695,"handle":"short-blocks","updated_at":"2024-04-22T16:21:42-05:00","published_at":"2014-10-22T12:59:00-05:00","sort_order":"manual","template_suffix":"","published_scope":"web","title":"Products - Short Blocks","body_html":"Mast short blocks are hand assembled by some of the best engine builders in the country using the best components available. We start with a brand new block that is thoroughly cleaned and deburred. The blocks are then honed and decked to proper tolerances. After another thorough cleaning the short block is assembled and ready to ship. We take pride in our work and are proud to offer a great foundation for your next build!","image":{"created_at":"2019-10-17T13:49:24-05:00","alt":null,"width":3068,"height":2640,"src":"\/\/www.mastmotorsports.com\/cdn\/shop\/collections\/LY6_408_Short_Block.png?v=1571338164"}}]
Item is in stockOnly 0 left in stockItem is out of stockItem is unavailable
LSX 454 Short Block Engine - 600 - 1500 HP
58X or 24X Reluctor Wheel
4.185" Bore x 4.125" Stroke
Torque Plate Honed Cylinders
True Surface Decked
Align Honed
Block Coolant and Oil Plugs
Dura Bond Cam Bearings
Choice of Callies Forged Crankshaft
Choice of Callies Forged Connecting Rods
Choice of Mahle or Diamond Forged Pistons
ARP Main Studs
Mast Motorsports Short Blocks are assembled to the same demanding specifications as our crate engine program. We stand behind our short blocks with our reputation in workmanship and materials as we do every product in our product line. See our Warranty Details for more information.
