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if you went and spent that much money on a built motor or built it with a friend then why not ask them whats best for it? they should be able to say you need "these" to work with the engine to reach these numbers
What do yall think about these: https://www.summitracing.com/int/parts/hed-69088/overview/I'm thinking of getting these but in 1 5/8 for my truck.