2008 OSS RULES

GM crate engine 88958604 is allowed with a Holley 0-80541-1 (4 bbl) Other crate engines are allowed including the GM 19258602 & 88958603 and may use the above carburetors and clutch. A one inch open carb spacer (Allstar 25981 or similar) may be used on the 602 crate… ................
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