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Return to Parts List Category : E- Big Block (Raised Deck) : Pistons (Stock Stroke) ICN IC822.055 FORGED PISTON 4.375"X 3.75" STROKE 440 FLAT TOP 10:1 W/ 85CC HEADS / KEITH BLACK FORGED $817.84                 440 Flat Top 10:1 W/ 85cc Heads / Keith Black Forged C.D. Approx. Weight Pin Size CC's Comp 75cc Comp 78cc Comp 86cc Comp 88cc 2.067" 827gr .990 4.47cc 11.2 10.9 10.1 9.9     High ductility 2618 alloy Dual forced pin oiling on most applications Lateral gas porting on higher compression ratios 1/16 x 1/16 x 3/16 ring packs standard Fully machined with deep valve pockets Second land accumulator grooves Top land mini groove technology Diamond finished skirts Triple wound spiral locks Spacer rings included in short compression heights that intersect the wrist pin bore  Related Parts: CR4375 Total Seal Ring Set