[{"id":170473980001,"handle":"all-products","updated_at":"2025-04-17T08:30:00-05:00","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":"2025-04-17T11:20:02-05:00","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":239797797063,"handle":"black-label","updated_at":"2025-04-17T08:30:00-05:00","published_at":"2020-12-22T16:49:49-06:00","sort_order":"best-selling","template_suffix":"pf-cb6e825d","published_scope":"global","title":"Black Label","body_html":""},{"id":239860482247,"handle":"black-label-custom-built-engines","updated_at":"2025-02-28T12:56:57-06:00","published_at":"2020-12-23T13:23:06-06:00","sort_order":"manual","template_suffix":"engines-no-pricing","published_scope":"global","title":"Black Label - Custom Built Engines","body_html":""},{"id":241321836743,"handle":"black-label-long-blocks","updated_at":"2024-11-20T17:05:01-06:00","published_at":"2021-01-11T11:34:03-06:00","sort_order":"best-selling","template_suffix":"","published_scope":"global","title":"Black Label - Long Blocks","body_html":""},{"id":29758887,"handle":"long-blocks","updated_at":"2024-11-20T17:05:01-06:00","published_at":"2014-10-22T13:01:00-05:00","sort_order":"alpha-asc","template_suffix":"","published_scope":"web","title":"Long Blocks","body_html":"\u003cp\u003eHave an LS but want to upgrade the important parts? Our Long blocks are built using the best components available. \u003c\/p\u003e\n\u003cp\u003eLong Blocks include assembled short block, assembled cylinder head and all valvetrain components. They are ready for your covers, sensors, intake assembly and oil pan.\u003c\/p\u003e","image":{"created_at":"2019-10-17T13:51:21-05:00","alt":null,"width":2729,"height":2380,"src":"\/\/www.mastmotorsports.com\/cdn\/shop\/collections\/LS3_416_BL_Long_Block.png?v=1571338282"}},{"id":29758751,"handle":"ls-engines","updated_at":"2025-02-28T12:56:57-06:00","published_at":"2014-10-22T13:00:00-05:00","sort_order":"manual","template_suffix":"engines-no-pricing","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":"2025-02-28T12:55:40-06:00","published_at":"2019-10-17T10:47:43-05:00","sort_order":"manual","template_suffix":"engines-no-pricing","published_scope":"global","title":"Products - Engines","body_html":"\u003cp style=\"text-align: center;\"\u003eEngine pricing \u0026amp; lead times vary - please call \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e1-866-551-4916 for pricing \u0026amp; 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"}]
*All hp numbers will be within 2% of the advertised number.
The 630 Black Label Street Long Block's heart and soul is the Factory Mast 427 aluminum block. This LS7 engine family utilizes a Mast Motorsports-engineered camshaft that is custom ground on a Mast Motorsports 3 bolt cam core. The 630 Black Label Street Long Block’s foundation is a fully machined aluminum block with a forged rotating assembly that is topped off with Mast Motorsports Black Label LS7 305cc cylinder heads. ARP fasteners are used throughout and Mast Motorsports Black Label pushrods ride on GM LS7 hydraulic roller lifters. This hand built LS7 based engine utilizes a camshaft that has a moderate lope that creates great mid and high RPM power for the customer that will be aggressively racing their vehicle, but still wants great street manners for a daily driver.
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