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**Getter-Done** · 07-16-2023, 09:02 AM

Are the heads power pack heads?
If so they have the big valves.

How to Identify 283 Power Pack Heads https://carinfohut.com/how-to-identi...er-pack-heads/

07-16-2023, 09:02 AM	#4
Getter-Done Senior Member Join Date: Dec 2009 Location: TN. Posts: 7,760	Re: 283 heads on a 350 Are the heads power pack heads? If so they have the big valves. How to Identify 283 Power Pack Heads https://carinfohut.com/how-to-identi...er-pack-heads/ __________________ ________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build