The closest thing I can find to the correct piston is the Speed Pro L2399F. With a 2.07 intake valve, and under 0.480 lift on both valves, I'd say the HP factor is high, especially since I'm not sure how good the intake manifold is. At 415HP, I'm betting it'll be hard to run a decent number.
Alan Roehrich
Bring "AA" classes to NHRA Stock Eliminator!
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Alan Roehrich
212A G/S
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