- Engines & Components
- Piston
- Manley Chevrolet LS 4.000 Stroke Flat/Dish Top Pistons
Platinum Series Pistons
LS1/LS2/LS3/LS6/L92/LS7/LSX/Dart LS Next
for 4.000'' Stroke
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:
- Moly Coated Skirt
- Lightweight Design
- 2618 High Strength Alloy
- Machined for Reluctor Wheel Clearance
- Offset Wrist Pin Location Design
- 1.5mm, 1.5mm, 3mm Ring Grooves
- Round Wire Locks Included - .061'' wide
- Forced Pin Oiling
- Pressure Balance Groove
- Premium Chrome Moly Wrist Pin
- Dome Volume: -4cc or -5cc Flat Top, -10cc or -11cc Dish, -18cc Dish, -29cc Dish
- Crown Thickness: .200''
- Ring Thickness: Top Ring - 1.5mm .225'' Down for Flat Top & -10cc/-11cc Dish (.250'' Down for -18cc & -29cc); Second Ring - 1.5mm; Oil Ring - 3mm
- Pin Included: Premium Chrome Moly (3.905''-4.070'' bore for the -4cc and -10cc) .927'' dia., 2.300'' long, .130'' wall; (3.905''-4.070'' bore for the -18cc and -29cc) .927'' dia., 2.300'' long, .150'' wall; (4.125''-4.185'' bore) .927'' dia., 2.500'' long, .150'' wall
- Spiral Locks: .061'' wide
- Recommended Piston Clearance: .0045'' measured 1.100'' from bottom of the oil ring
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