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JE Pistons Engine Piston Kit - 312042

Piston Set, 2618, Inv Dome/Dish, 4.030 Bore, 1.115 CD, 0.927 Pin, Set of 8.
Manufacturer: JE Pistons
Manufacturer part number: 312042
$949.99
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As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.

Application: Chevrolet LS

Note: These pistons utilize our dedicated Forged Side Relief (FSR) forging that was specifically designed to increase strength.

Products specifications

Attribute name Attribute value
Ring Set Included No
Engine Family LS
Compression Ratio 9.30:1 / 64.00 CC Head
Oversized Amount 0.030
Product Type Engine Piston Kit
Category Hierarchy Auto>All Piston Kits
Piston Series JE Pistons
Top Compression Ring Thickness 0.0480
Second Compression Ring Thickness 0.0600
Oil Ring Thickness 0.149
Wrist Pin Included Yes
Wrist Pin Part Number 927-2250-15-51C
Wrist Pin Material 5115 Low Carbon Steel, Case Hardened
Wrist Pin Outer Diameter 0.927
Wrist Pin Length 2.250
Wrist Pin Wall Thickness 0.170
Wrist Pin Retainer Included Yes
Wrist Pin Retainer Part Number 927-073-MW
Engine Displacement 408
Engine Stroke 4.000
Connecting Rod Length 6.125
Deck Height 9.240
Ring Set Thickness 1.20 MM x 1.50 MM x 3.00 MM
Oversized Yes
Ring Set - Recommended JG31F8-4030-2
Piston Quantity 8
Forging Type FSR
Piston Average Weight 397
OEM Bore Diameter 4.000
Piston Sub-Series LS Inverted Dome
Pro Seal Head Gasket GM1016-051
Cylinder Head LS 12 DEG/15 DEG COMBO VR
Bore Diameter 4.030
Piston Head Type Dish
Compression Height 1.115
Piston Volume -27.60
Material 2618
EBAY Category ID 33623
Prop 65 (C, R or CR) CR
Prop 65 Yes/No Yes
Prop 65 - Short Label prop65warninglabel.jpg
Bore Diameter - Web 4.030 IN
Country of Origin US
Condition New
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