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  • JE Pistons 258031L Piston Single, 2618, Flat Top, 4.045 Bore, 1.250 CD, 0.927 Pin, Set of 1.
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JE Pistons 258031L Piston Single, 2618, Flat Top, 4.045 Bore, 1.250 CD, 0.927 Pin, Set of 1.

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JE Pistons 258031L Piston Single, 2618, Flat Top, 4.045 Bore, 1.250 CD, 0.927 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 Small Block 350
Description_DEF Engine Piston
Description_DES Piston Single, 2618, Flat Top, 4.045 Bore, 1.250 CD, 0.927 Pin, Set of 1.
Description_INV JE Pistons, Piston
Description_EXT JE, Chevrolet, Small Block Chevrolet, 4.045 in. Bore, 1.250 CD, Flat Top, Left 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 350, 4.045 Bore, Flat, Set of 1
Prop 65 - Short Label Prop 65 Warning Label.JPG
Engine Small Block
Oil Ring Thickness 0.119
Forging Type FSR
Make - Web Chevrolet
Piston Pin Material 5115
Piston Series JE Pistons
Title - Web JE Pistons Chevrolet Small Block Piston - 4.045 in. Bore - 1.250 in. CH, -5.00 CC
Piston Pin Length 2.350
Ringset Included No
Piston Pin Wall Thickness 0.150
Wrist Pin Outer Diameter 0.927
Wrist Pin Wall Thickness 0.150
Make CHEVROLET
Piston Material 2618
Prop 65 Yes/No Yes
Out of Stock Message Call for Availability
Engine Type ICE
Title JE Pistons - Chevrolet, Small Block, 4.045 in. Bore, Piston
Piston Orientation Left
Bore Diameter 4.045
Piston Volume -5.00
Add-On 927-073-MW
Add-On 927-2350-15-51C
Product Market Domestic
Product Type Engine Piston
Piston Pin Outside Diameter 0.927
Add-On J71408-4040-5
Piston Average Weight 367
Category Hierarchy Auto>JE Pistons>Single Replacement Pistons>Domestic
Piston Head Type Flat
Ring Set Included No
Wrist Pin Length 2.350
Piston Quantity 1
Prop 65 (C, R or CR) CR
Industry Automotive
Top Compression Ring Thickness 0.0436
Compression Height 1.250
Second Compression Ring Thickness 0.0440
Cylinder Head CHEVROLET 23 DEG 20/30
Wrist Pin Material 5115 Low Carbon Steel, Case Hardened
Engine - Web Small Block
Length 5.0000
Width 5.0000
Height 5.0000
Weight 1.0000
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