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KB Performance Pistons KB122.030

Chevy 383ci Hypereutectic Pistons Flat Top

KB Performance Pistons KB122.030
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648-KB122.030

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KB Performance Pistons KB122.030 Chevy 383ci Hypereutectic Pistons Flat Top $255.38
Chevy 383ci Hypereutectic Pistons
  • Flat Top
  • 4.030'' Bore (+.030'')
  • Use w/6.000'' Connecting Rod & 3.750'' Crank Stroke
  • Comp. Ratio: 11.7/58cc; 11.1/62cc; 10.9/64cc; 9.6/76cc
  • 8/pkg

  • KB Performance Pistons KB122.030 Details

    Chevy 383ci

  • Flat Top Pistons
  • Use w/6.000'' Connecting Rods
  • Use with Chevy 350ci Block and 400ci Crankshaft
  • Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.030''
  • Crankshaft Stroke: 3.750''
  • Connecting Rod Length: 6.000''
  • Deck Height: 9.025''
  • Compression Height: 1.130''
  • Pin Size: 0.9272''
  • Pin Location: Centered. Spacer Ring Included.
  • Flat Top: -7cc 2 Symmetrical Valve Reliefs
  • Intake Valve Relief: 0.280'' Depth / 2.168'' Diameter
  • Exhaust Valve Relief: 0.280'' Depth / 2.168'' Diameter
  • Top Landing Height: 0.275''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Gram Weight: 425/145
  • Compression Ratio: 11.7:1 w/58cc Heads; 11.1:1 w/62cc Heads; 10.9:1 w/64cc; 9.6:1 w/76cc Heads
  • Use with 350ci block and 400ci crankshaft. This is a stroked 350ci chevy combination.

  • Specifications:

    Manufacturer's Part Number:
    KB122.030

    100% CNC Machined Pistons

    New high silicon alloys and diamond tooling have give Silv-O-Lite designers the material and equipment for performance breakthroughs in engine design. Silv-O-Lite piston are 100% CNC machined and T-6 heat treated from 16%-18% silcon Hypereutectic alloy. Features include drilled oil returns and pin oil supply, .072'' spiral wound retaining ring, 100% diamond turned, compensated high strength ring lands, high top ring location, 360° pressure pin oiling, diamond honed pin hole and lightweight rigid rib skirt design.

    Features:
  • 390 Hypereutectic alloy with 16% Silicon
  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • Reflective alloy allows 2% power increase
  • Quench dome technology minimizes deterioration
  • Zero deck quench designs
  • Sold in Sets (except when noted as 1 piston per package)


    Click here for reference guide to piston top designs

  • KB122.030 - KB Signature Series Hypereutectic Small Block Chevy Pistons is rated 5.0 out of 5 by 1.
    • y_2017, m_3, d_26, h_23
    • bvseo_bulk, prod_bvrr, vn_bulk_1.0.0
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    • loc_en_US, sid_10001_10001_89342, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_jegs
    Rated 5 out of 5 by from Small block chevy pistons More parts for the 383 Stroker project can't wait to get it done
    Date published: 2016-11-03
    • y_2017, m_3, d_26, h_23
    • bvseo_bulk, prod_bvrr, vn_bulk_1.0.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_89342, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_jegs
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