Chrysler 400 stroker pistons hypereutectic step head flat top piston and ring set | .030 over size 4.372 bore | 10.8-1 compression with 84cc chamber | 3.750 stroke | 6.760 rod | 1.327 compression height | 1.094 wrist pin | 5/64 5/64 3/16 ring grooves | step head flat top 0cc | weight 550 grams
High strength hypereutectic piston set for use in stock and high performance Chrysler Dodge Plymouth Mopar 400 stroker engines using a 440 3.750 stroke crank. Set includes 8 pistons 8 wrist pins Piston rings and locks. Centered pin. Suggest checking quench dome with clay for clearance. .150 tall quench pad. Engine cannot be assembled without machining quench dome. Use stock or aftermarket 440 length rods of 6.760 inches. Comp. ratio will change with quench dome machining. Part number KB280ktm-030
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