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Acura Integra Funny Car Piston

Max-4 piston, rod, wrist pin, and rod cap. No pin-retainer is considered reliable enough in a Top Fuel environment; the full-floating wrist-pins are retained with aluminum spacers held in place by the cylinder walls themselves!
The Extreme Edge

 Max-4 piston, rod, wrist pin, and rod cap. No pin-retainer is considered reliable enough in a Top Fuel environment; the full-floating wrist-pins are retained with aluminum spacers held in place by the cylinder walls themselves!  View Related Article

 

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