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Category : D- Big Block (Low Deck) : Pistons (Stock Stroke - 383)

DIA 51903

FORGED PISTON 4.310" BORE X 1.094"

383 FLAT TOP 8.9:1 W/ 84CC HEADS / DIAMOND FORGED

$874.56

383 Flat Top 8.9:1 W/ 84cc Heads / Diamond Forged

  • Designed to fit most Mopar® O.E.M. open & closed chamber heads
  • Can be used with small nitrous applications
  • Ratios figured for .009-.025" deck @ 9.980" (383 & 400)
  • Ratios figured for .012" deck 10.720" (440)
  • 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 diameters = 2.140" intake and 1.850" exhaust
  • Valve relief depth = .197" 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 72cc Comp 80cc Comp 84cc Stroke
1.916" N/Agr 1.094" X 2.930" -4.0 9.9 9.2 8.9 3.375"

Related Parts:
CR4310 Total Seal Ring Set

 

 

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