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Manley 4.125-Inch Bore Dish Top Pistons SB-Chevy

660-593900-8

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Manley 4.125-Inch Bore Dish Top Pistons SB-Chevy $761.99
4.125-Inch Bore Dish Top Pistons
  • SB-Chevy
  • Dish Top -20cc
  • 4.125'' Bore
  • 6.000'' Rod Length w/4.000'' Stroke
  • 6.125'' Rod Length w/3.750'' Stroke
  • 1.000'' Comp. Height
  • 1/16'', 1/16'', 3/16'' Ring Grooves
  • 8/pkg.

  • Manley 593900-8 Details

    Dish Top Pistons

  • 1/16'', 1/16'', 3/16'' Ring Grooves
  • 6.000'' Rod Length with 4.000'' Stroke
  • 6.125'' Rod Length with 3.750'' Stroke
  • Technical Specs:
  • Compression Height: 1.000''
  • Compression Ratio: 10.3:1 w/ 64cc Combustion Chamber & 4.000'' Stroke
  • Piston & Pin Weight: 516 grams
  • Dish Top: -20.0cc
  • Pin Size: 0.927'' dia., 2.450'' long, .150'' wall
  • Round Wire Locks: .061''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Piston Clearance: .005'' measured 1.100'' from bottom of the oil ring
  • Valve Notches: .300'' Intake, .230'' Exhaust

  • Specifications:

    Manufacturer's Part Number:
    593900-8

    Platinum Series Pistons

    Professional engine builders and elite tuners around the world are running Manley pistons for some very good reasons. Manley uses domestic 2618 high strength alloy forgings and unique (to Manley) fixturing allowing skirt turning / ring groove machining be performed in one single operation to ensure the ultimate ring groove to skirt squareness for better ring seal. Cam and barrel (skirt) profiles that make power but are friendly on the cylinder walls. Manley is well known for their high quality valvetrain components, but insiders also trust and use Manleys top quality pistons and connecting rods.

    Features:
  • Based on Standard 4.125'' bore block
  • 23° Head Applications
  • 2618 High Strength Alloy
  • Lightweight Design
  • Thick deck for high horsepower applications
  • Round Wire Locks Included
  • Pressure Balance Groove
  • Perfect Ring Groove to Skirt Squareness
  • .927'' Dia. x 2.450'' Long x .150'' Wall Premium Chrome Moly Wrist Pin

    Piston Common Specs:
  • Compression Ratio: 10.3:1 w/ 64cc Combustion Chamber & 4.000'' Stroke
  • Dome Volume: 11.0cc Symmetrical Dome
  • Crown Thickness: .200''
  • Ring Thickness: Top Ring - 1/16'' (.175'' down); Second Ring - 1/16''; Oil Ring - 3/16''
  • Valve Notches: .300'' Intake, .230'' Exhaust
  • Maximum Valve Sizes: 2.125'' Intake, 1.650'' Exhaust
  • Maximum Fly Cut: .360'' Intake, .260'' Exhaust
  • Valve Angle: 22°
  • Pin Included: Premium Chrome Moly .927'' dia., 2.450'' long, .150'' wall
  • Round Wire Locks: .061'' wide
  • Recommended Piston Clearance: .005'' measured 1.100'' from bottom of the oil ring

    Technical Note: Compression ratios are calculated at .005'' deck clearance, a 4.160'' head gasket I.D. with a .040'' compressed thickness.

  • Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations