KRE's New Aluminum Heads: At the Track
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Here is the dyno chart that depicts the power curve of the 468 with the KRE heads installed compared to the 6X heads. Peak power was 494.3 hp at 5,600 rpm, and peak torque was 549.5 with the KREs. You can see here how it compares to the baseline run at 455.4 hp at 5,300 rpm and 522 lb-ft of torque at 3,900 rpm with the 6Xs. View Related Article
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