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  • JE Pistons 257961S Piston Single, 2618, Flat Top, 4.500 Bore, 1.245 CD, 0.990 Pin, Set of 1.
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Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
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Piston-Single,-2618,-Flat-Top,-4.500-Bore,-1.245-Cd,-0.990-Pin,-Set-Of-1.
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JE Pistons 257961S Piston Single, 2618, Flat Top, 4.500 Bore, 1.245 CD, 0.990 Pin, Set of 1.

2 sold in last 8 days
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$321.46
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JE Pistons 257973S Piston Single, 2618, Flat Top, 4.560 Bore, 1.395 CD, 0.990 Pin, Set of 1.
JE Pistons 257973S Piston Single, 2618, Flat Top, 4.560 Bore, 1.395 CD, 0.990 Pin, Set of 1.
$321.46
JE Pistons 257961S Piston Single, 2618, Flat Top, 4.500 Bore, 1.245 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, 4.500 Bore, 1.245 CD, 0.990 Pin, Set of 1.
Description_INV JE Pistons, Piston
Description_EXT JE, Chevrolet, Big Block Chevrolet, 4.500 in. Bore, 1.245 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_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, 4.500 Bore, Flat, Set of 1
Description_SHO Piston
Piston Pin Material 5115
Forging Type Round
Piston Pin Outside Diameter 0.990
Compression Height 1.245
Piston Volume -3.00
Engine - Web Big Block
Piston Series JE Pistons
Piston Pin Wall Thickness 0.180
Engine Type ICE
Wrist Pin Wall Thickness 0.180
Piston Quantity 1
Title JE Pistons - Chevrolet, Big Block, 4.500 in. Bore, Piston
Oil Ring Thickness 0.218
Top Compression Ring Thickness 0.0640
Piston Average Weight 614
Product Market Domestic
Product Type Engine Piston
Bore Diameter 4.500
Wrist Pin Outer Diameter 0.990
Industry Automotive
Engine Big Block
Prop 65 (C, R or CR) CR
Add-On 990-042-CS
Piston Pin Length 2.930
Prop 65 Yes/No Yes
Second Compression Ring Thickness 0.0640
Add-On J100F8-4500-5
Ringset Included No
Out of Stock Message Call for Availability
Title - Web JE Pistons Chevrolet Big Block Piston - 4.500 in. Bore - 1.245 in. CH, -3.00 CC
Category Hierarchy Auto>JE Pistons>Single Replacement Pistons>Domestic
Make CHEVROLET
Add-On 990-2930-18-51S
Ring Set Included No
Make - Web Chevrolet
Prop 65 - Short Label Prop 65 Warning Label.JPG
Wrist Pin Material 5115 Low Carbon Steel, Case Hardened
Wrist Pin Length 2.930
Cylinder Head OPEN CHAMBER
Piston Head Type Flat
Piston Material 2618
Length 5.0000
Width 5.0000
Height 5.0000
Weight 2.0000
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