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Old 02-10-2021, 01:57 PM
blykins blykins is offline
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A set of Trick Flows will run $1920 and will flow 330 cfm out of the box with only a 175cc intake port, at about 32 total timing. There aren't any off-the-shelf heads that are comparable at this point. They come with PAC springs, Crane retainers, etc., or we can sell them with a custom spring package.

We are also doing some porting programs for them that pick them up to 360 cfm with only 5cc intake volume difference.

The out-of-the-box TFS heads on a 445 will make 550 hp/590 lb-ft here. A 465ci FE will make about 700 hp with them here in a bracket race form.

Excellent heads.
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