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(April 6, 2026)- The recently expanded and restructured SEAL (Sealed Engine Alliance Leaders) Committee has announced a new, consistent sealing program for previously unsealed built, parts engines and the limited-builder sealed engines. The new program will bring these Super Late Model engines under the SEAL umbrella to ensure continuity and rules enforcement for both engine types. Super Late Model engines have mainly fallen into two categories: (1) sealed super late model

--- Rebuilt Upgraded GM 604 Tech Bulletin --- Date: 2/3/2026 Bulletin #: 2026-1 Sealed Engine Alliance Leaders announced the following aftermarket items have been approved as replacement parts on rebuilt upgraded GM 88958604 / 88869604 Engines for all Sealed Engine Alliance series and tracks. Approved Aftermarket Replacement Crankshafts – Scat 4-350-3480-5700-L & Liberty ZR-3500-L4340 353340 Approved Aftermarket Crank Hub – Allstar Performance ALL90030 ***Stock GM 604 Reminde