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One Common Goal

Creating a fair and level playing field for all competitors coast to coast.

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Seal Lists

Online Database

Online database for tech official use. Automatically updates when builder submits online. 

Online Link

PDF Database

PDF database for printing that will be updated regularly. Feel free to print for tracks with poor cell service

Pre 2023 PDF Database

This database is seal numbers 3500 and prior. No future updates will be made to this list. Limited data available.

Stock 604

Box Stock Chevrolet

Specs

Rebuilt 604

Upgraded Chevrolet

Specs

Stock BO

Stock Ford Blue Oval

Specs

BO Brodix

Ford Blue Oval Brodix Head Kit

Specs

MEP 425

Chev. & Ford

MEP 425 

Specs

Parts Engine

Super Late Model Parts Engine

Specs

MEP Sealed

McGunegill Sealed SLM Engine

Specs

PME Sealed

Pro Motor Sealed SLM Engine

Specs

Progressive

Progressive SLM Spec Engine

Specs

Engine Specifications

Any variations from these specifications must be approved in writing by the S.E.A.L. committee prior to implementation.

Chevrolet

GM 604 & 602 Specifications

Specs

Ford

Ford 347SR Specifications

Specs

MEP 425

MEP 425

Manual

Specs

MEP Sealed

MEP SLM Sealed

Manual

Specs

Manufacturer Guides

These guides are provided by the engine manufacturer for reference

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