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Wiseco K448X3903 Professional Series Forged Piston Set Chevy LS 3.903 in. Bore +5cc Dome

(1998-2002 Chevrolet Camaro SS/Z28; 1997-2004 Chevrolet Corvette Base; 2004 Pontiac GTO; 1998-2002 Pontiac Firebird Formula)

Manufacturer

Part Number

K448X3903
Sale Price

$1,142.99

Estimated ship date Wednesday, November 18

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Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco K448X3903 is a Professional Series forged piston set engineered for Chevrolet LS platform engines.

Key Features:

  • Professional Series forged construction — engineered and machined in the USA from 2618 aluminum alloy for superior tensile strength under high-stress race conditions
  • ArmorGlide® skirt coating — provides seizure resistance, friction reduction, and quieter operation
  • +5cc forged dome top — optimized for increased compression in high-performance LS builds
  • Forced pin oiling — ensures effective lubrication under extreme operating conditions
  • 3.903 in. bore diameter with 1.110 in. compression height
  • 0.927 in. wrist pin diameter for precise fit with compatible connecting rods
  • Suits 4.000 in. stroke with 6.125 in. long connecting rods
  • Premium ring set included — complete with wrist pins, ready for installation

The Wiseco Professional Series represents a no-compromise approach to piston design, built for heavy-duty to severe-duty race builds. Whether building a dedicated track car or a high-powered street/strip engine, the K448X3903 delivers the reliability and performance demanded by serious engine builders.

Products specifications

Fits

1998-2002 Chevrolet Camaro SS/Z28; 1997-2004 Chevrolet Corvette Base; 2004 Pontiac GTO; 1998-2002 Pontiac Firebird Formula

Bore

3.895

Comp Height

1.105

Comp Ratio @ 65CC

12.9:1

Comp Ratio @ 67CC

12.5:1

Comp Ratio @ 68CC

12.4:1

Comp Ratio @ 70CC

12:1

Dome Volume

5+

Gram Weight

438

Rod

6.098 / 6.125

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