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KB Performance Pistons IC734.030

Chevy 383ci Forged Pistons Step Dish Top

KB Performance Pistons IC734.030


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Estimated ship date 05/03/17 if Ordered Today
KB Performance Pistons IC734.030 Chevy 383ci Forged Pistons Step Dish Top $537.99
Chevy 383ci Forged Pistons
  • Step Dish Top
  • 4.030'' Bore (+.030'')
  • Use w/6.000'' Connecting Rod & 3.750'' Crank Stroke
  • Comp. Ratio: 10.2/58cc; 9.6/64cc; 8.6/76cc
  • 8/pkg

  • KB Performance Pistons IC734.030 Details

    Chevy 383ci

  • Dish Top Pistons
  • Use w/6.000'' Connecting Rods
  • Use with Chevy 350ci Block and 400ci Crankshaft
  • Technical Specs:
  • Alloy: Premium High Ductility 2618
  • Bore: 4.030''
  • Crankshaft Stroke: 3.750''
  • Connecting Rod Length: 6.000''
  • Deck Height: 9.025''
  • Compression Height: 1.130''
  • Pin Size: 0.927'' x 2.750''
  • Pin Location: Centered
  • Step Dish Top: -18.6cc 2 Symmetrical Valve Reliefs
  • Intake Valve Relief: 0.264'' Depth / 2.200'' Diameter
  • Exhaust Valve Relief: 0.264'' Depth / 1.880'' Diameter
  • Top Landing Height: 0.273''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Gram Weight: 422/132
  • Compression Ratio: 10.2:1 w/58cc Heads; 9.6:1 w/64cc Heads; 8.6:1 w/76cc
  • Use with 350ci block and 400ci crankshaft. This is a stroked 350ci chevy combination.

  • Specifications:

    Manufacturer's Part Number:

    United Engine and Machine Company is proud to introduce our new Icon line of forged pistons. Icon brings the same quality and performance you've come to expect from other United Engine brands while adding a new lightweight forged design. No matter your high performance application, there is an Icon piston for you.

  • High ductility 2618 alloy
  • Perfect for Nitrous, Turbocharged and Supercharged Apps
  • Dual forced pin oiling on most applications
  • Lateral gas porting on higher compression ratios
  • 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
  • Sold in Sets (except when noted as 1 piston per package)

    Click here for reference guide to piston top designs

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