2013 Rule Addendum & Clarification for all classes running GM Performance Parts Crate engines

April 10, 2013 by  
Filed under Bulletins

April 8, 2013

2013 Rule Addendum & Clarification for all classes running GM Performance Parts Crate engines

GM Performance Crate Engines: 602, 604 or CT525 (All crate engines, whether factory sealed or sealed by approved re-builder)
Valve Springs MUST BE AS SUPPLIED BY GM.
GM valve springs Only!
602 engines: GM part #10212811 valve springs ONLY!
604 engines: GM part #12551483 valve springs ONLY!
NO BREZINSKI or other AFTER MARKET valve springs allowed.

Valve spring retainersand keepers are optional.
GM, Brezinski or other after market retainers and keepers are allowed.

All GM Performance crate engines in any class must have either original factory sealed bolts or seals from an East Bay Raceway Park, Fastrak or NeSmith approved and authorized re-builder.
Any GM Performance crate motor with re-build seals is subject to tear-down the same as non-crate motor.
GM Performance crate motors with ORIGINAL factory seal bolts will not be subject to same tear-down rules; the price for a complete tear-down on these motors is $1,750.00.

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