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  • JE Pistons 139477S Piston Single, 4032, Flat Top, 4.280 Bore, 1.645 CD, 0.990 Pin, Set of 1.
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Piston-Single,-4032,-Flat-Top,-4.280-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-4032,-Flat-Top,-4.280-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-4032,-Flat-Top,-4.280-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
Piston-Single,-4032,-Flat-Top,-4.280-Bore,-1.645-Cd,-0.990-Pin,-Set-Of-1.
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JE Pistons 139477S Piston Single, 4032, Flat Top, 4.280 Bore, 1.645 CD, 0.990 Pin, Set of 1.

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JE Pistons 139477S Piston Single, 4032, Flat Top, 4.280 Bore, 1.645 CD, 0.990 Pin, Set of 1.
Details

Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston performance and affordability. Forged from strong, 4032 aluminum alloy material, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. These pistons are the perfect option for someone building a mild to moderate performance engine on a sportsman budget. As with all JE Pistons products, SRP pistons are made 100% in the USA.

Specifications:

Description_ASM Chevrolet Big Block 454
Description_DEF Engine Piston
Description_DES Piston Single, 4032, Flat Top, 4.280 Bore, 1.645 CD, 0.990 Pin, Set of 1.
Description_FAB
  • Forged in the USA using 4032 aluminum, yielding tensile strength and minimal thermal expansion
  • Dedicated forging helps optimize strength and weight throughout the piston design
  • Perfect for street/strip applications
  • Forced pin oiling for improved pin lubrication
  • Made 100% in the USA
Description_EXT SRP, Chevrolet, Big Block Chevrolet, 4.280 in. Bore, 1.645 CD, Flat Top, Single Piston
Description_INV SRP, Piston
Description_TLE Chevrolet 454, 4.280 Bore, Flat, Set of 1
Description_MKT Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston performance and affordability. Forged from strong, 4032 aluminum alloy material, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. These pistons are the perfect option for someone building a mild to moderate performance engine on a sportsman budget. As with all JE Pistons products, SRP pistons are made 100% in the USA.
Description_SHO Piston
Add-On 990-042-CS
Add-On S100S8-4280-5
Add-On 990-2930-15-51S
Prop 65 (C, R or CR) CR
Piston Average Weight 607
Bore Diameter 4.280
Category Hierarchy Auto>SRP Pistons>SRP>Single Replacement Pistons
Top Compression Ring Thickness 0.0640
Cylinder Head OPEN CHAMBER
Product Type Engine Piston
Piston Material 4032
Industry Automotive
Prop 65 Yes/No Yes
Title - Web SRP Chevrolet Big Block Piston - 4.280 in. Bore - 1.645 in. CH, -3.00 CC
Second Compression Ring Thickness 0.0640
Out of Stock Message Call for Availability
Piston Volume -3.00
Piston Pin Length 2.930
Make - Web Chevrolet
Wrist Pin Length 2.930
Wrist Pin Material 5115 Low Carbon Steel, Case Hardened
Prop 65 - Short Label Prop 65 Warning Label.JPG
Ring Set Included No
Piston Series SRP
Make CHEVROLET
Engine Big Block
Compression Height 1.645
Forging Type FSR
Piston Pin Wall Thickness 0.150
Ringset Included No
Title SRP - Chevrolet, Big Block, 4.280 in. Bore, Piston
Piston Pin Outside Diameter 0.990
Piston Head Type Flat
Oil Ring Thickness 0.188
Piston Pin Material 5115
Product Market Domestic
Engine Type ICE
Wrist Pin Wall Thickness 0.150
Wrist Pin Outer Diameter 0.990
Engine - Web Big Block
Length 5.0000
Width 5.0000
Height 5.0000
Weight 2.0000
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