Chevrolet LS 4.100 Stroke Dish Top Pistons -20cc Dish Top

Name: Chevrolet LS 4.100 Stroke Dish Top Pistons -20cc Dish Top
Brand: MANLEY
SKU: 660-596400C-8
Price: 889.40 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

-20cc Dish Top Pistons

6.125'' Rod Length

-20cc Dish Top
4.125'' Bore
4.100'' Stroke
6.125'' Rod
1.065'' Comp. Height
8/pkg.

Technical Specs:
Compression Ratio: 10.6:1 (64cc), 10.4:1 (66cc), 10.1:1 (70cc), 9.9:1 (72cc)
Compression Height: 1.065'
Valve Pocket Type: LS1, LS2, LS3, LS6, LS7, L92
Valve Pocket Depth: .175' Trough
Piston and Pin Weight: 553 grams
Dish Top: -20cc
Pin Size: .927' dia., 2.500' long, .150' wall (118 grams)
Round Wire Locks: .061' wide
Ring Grooves: 1.5mm Top (.250' down); 1.5mm Middle; 3mm Bottom
Piston Clearance: .0045' measured 1.100' from bottom of the oil ring

Platinum Series Pistons
LS1/LS2/LS3/LS6/L92/LS7
for 4.100'' 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.

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

Piston Common Specs:
Dome Volume: -10cc or -11cc Dish, -20cc Dish, -31cc Dish
Crown Thickness: .200''
Ring Thickness: Top Ring - 1.5mm .225'' Down for -10cc/-11cc Dish (.250'' Down for -20cc & -31cc); Second Ring - 1.5mm; Oil Ring - 3mm
Pin Included: Premium Chrome Moly (4.005''-4.070'' bore for the -10cc, -11cc, -20cc and -31cc) .927'' dia., 2.300'' long, .150'' wall; (4.125''-4.130'' 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