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  • JE Pistons 257985S Piston Single, 2618, Flat Top, 4.530 Bore, 1.645 CD, 0.990 Pin, Set of 1.
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Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.530-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
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JE Pistons 257985S Piston Single, 2618, Flat Top, 4.530 Bore, 1.645 CD, 0.990 Pin, Set of 1.

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JE Pistons 257985S Piston Single, 2618, Flat Top, 4.530 Bore, 1.645 CD, 0.990 Pin, Set of 1.
Details

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.

Specifications:

Description_ASM Chevrolet Big Block 502
Description_DEF Engine Piston
Description_DES Piston Single, 2618, Flat Top, 4.530 Bore, 1.645 CD, 0.990 Pin, Set of 1.
Description_INV JE Pistons, Piston
Description_EXT JE, Chevrolet, Big Block Chevrolet, 4.530 in. Bore, 1.645 CD, Flat Top, Single Piston
Description_FAB
  • Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
  • Designed specifically for each engine and use application to provide optimized performance durability
  • Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
  • Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
  • Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
  • Made 100% in the USA
Description_SHO Piston
Description_MKT 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.
Description_TLE Chevrolet 502, 4.530 Bore, Flat, Set of 1
Piston Pin Outside Diameter 0.990
Bore Diameter 4.530
Title JE Pistons - Chevrolet, Big Block, 4.530 in. Bore, Piston
Top Compression Ring Thickness 0.0640
Add-On 990-2930-18-51S
Title - Web JE Pistons Chevrolet Big Block Piston - 4.530 in. Bore - 1.645 in. CH, -3.00 CC
Industry Automotive
Piston Volume -3.00
Add-On 990-042-CS
Out of Stock Message Call for Availability
Piston Quantity 1
Prop 65 (C, R or CR) CR
Category Hierarchy Auto>JE Pistons>Single Replacement Pistons>Domestic
Piston Average Weight 709
Add-On J100F8-4530-5
Product Market Domestic
Piston Material 2618
Wrist Pin Material 5115 Low Carbon Steel, Case Hardened
Ring Set Included No
Oil Ring Thickness 0.188
Compression Height 1.645
Piston Pin Wall Thickness 0.180
Second Compression Ring Thickness 0.0640
Engine Big Block
Piston Pin Length 2.930
Ringset Included No
Cylinder Head OPEN CHAMBER
Prop 65 Yes/No Yes
Product Type Engine Piston
Piston Series JE Pistons
Prop 65 - Short Label Prop 65 Warning Label.JPG
Engine - Web Big Block
Wrist Pin Outer Diameter 0.990
Wrist Pin Length 2.930
Make - Web Chevrolet
Piston Pin Material 5115
Piston Head Type Flat
Engine Type ICE
Make CHEVROLET
Forging Type Round
Wrist Pin Wall Thickness 0.180
Length 5.0000
Width 5.0000
Height 5.0000
Weight 2.0000
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