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Return to Parts List Category : E- Big Block (Raised Deck) : Pistons (Stock Stroke) DIA 52449 FORGED PISTON 4.375" BORE 440 STOCK STROKE .990" PIN HI-COMPRESSION EDELBROCK DOME $958.40 440 Stock Stroke .990" Pin Hi-Compression Edelbrock Dome Designed to fit the Edelbrock Performer RPM head Will work with small nitrous applications Ratios figures for .012" deck @ 10.720" Standard 1/16" x 1/16" x 3/16" ring package Premium 8620 pins included Gasket volume = 9.9cc Top ring down = .240" Max valve diameter = 2.140" intake and 1.850" exhaust Valve relief depth = .203" intake and .163" exhaust For higher nitrous or blower applications request the 2618 piston material. (no extra charge but allow 1 - 2weeks lead time) C.D. Approx. Weight Pin Size CC's Comp 84cc Comp 88cc Stroke 2.065" 692gr .990"" X 2.930" 22.3 13.2 12.6 3.750"     Related Parts: CR4375 Total Seal Ring Set