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- DOME FORGED 4.155 SBC
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.
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Features:
- Based on Standard 4.125'' bore block
- 23° Head Applications
- 2618 High Strength Alloy
- Lightweight Design
- Gas Ported .043'', .043'', 3mm Ring Grooves
- 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 - .043'' Gas Ported (.200'' down); Second Ring - .043''; Oil Ring - 3mm
- Valve Notches: .310'' Intake, .200'' 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.
Part TypePiston
Product LineManley Small Block Chevy 4.125-Inch Bore Dome Pistons
BrandMANLEY
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number593830
Package Qty1
Package TypeEA
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