Manley Chevy LS 4.070in Bore 3.622in Stroke -4cc Flat Platinum Series Piston Set

562570CE-8

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. We utilize a proven offset wrist pin design, a 1.5, 1.5, 3mm Total Seal ring package and moly coated skirts for ultimate performance. Roundwire locksand pressure balance grooves are included with every set at no additional charge.

Premium Chrome Moly wrist pins are included with the Standard Series and 9310 Alloy wrist pins are included with the Extreme Duty Series.

Features:

• 2618 high strength material lightweight design.
• Offset wrist pin design.
• Machined for reluctor wheel clearance.
• 1.5, 1.5, 3mm ring package.
• Round wire locks.
• Forced pin oiling, pressure balance groove and precision pin fitting.
• Premium Chrome Moly wrist pins (Standard Series) included.
• 9310 alloy pin (Extreme Duty Series) included: P/N 42542 2.300" x .170" wall (4.005"-4.070" bores) and P/N 42528 2.500" x .180" wall (4.125"-4.185" bores).

Common Features:

• Crown Thickness: .225".
• Top Ring: 1.5mm, .250" down.
• Second Ring: 1.5mm.
• Oil Ring: 3.0mm.
• Round Wire Locks: P/N 42262 - .061" wide.
• Recommended.
• Piston Clearance: .0045" measured 1.100" from the bottom of the oil ring.

Specifications:

• Bore Size: 4.070
• Rod Length: 6.125"
• Stroke (mm): 3.622"
• Comp Distance: 1.304"
• Pin Diameter: .927"
• Dome Volume (cc): --4
• Piston Type: Dish
• Combustion Chamber (64cc): 11.1
• Combustion Chamber (66cc): 10.8
• Combustion Chamber (70cc): 10.3
• Combustion Chamber (72cc): 10.1
• Piston Wt/Gms: 522
• Valve Pocket: LS-1,2,3,6,92
• Valve Pocket Depth: .185"/.130"
• Included Ring Set
• Ductile Iron Top Rings: 46117-8
• Premium Steel Top Rings: 46117ST-8

Fitments:

• Chevrolet Small Blocks LS Series

Note:

• Compression ratios are calculated at 0.00" deck clearance, a 9.240" deck height, and a .042" thick compressed head gasket.