Pontiac stroker kits have gotten pretty affordable. Cheap enough there's no reason to mess with a stock 400 crank and rods when trying to make power.
Butler Performance has all you could need for a Pontiac build.
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67, 68, 69 & 72 Firebirds, 79 TA, 89 GTA, 01 WS6, 68 Camaro, 68 Mustang, 54 GMC awd turbo, 67 GMC
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