Scat still makes a forged 4" stroke, 3" main crank. I just bought one from them direct three weeks ago. Part #4-400P-4000-6700-2200. $1,049 out the door. They had 3 in stock at the time. I'm building a 4" stroke Ram Air IV. It will need a custom dished piston anyway, but I chose to go with a 6.7" rod.
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Hoping to finish a project while I'm still able to push the clutch in.... 
1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned) Pictures
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