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Wiseco K462X185 Professional Series Forged Piston Set - Chevy LS/LSX 4.185 in. Bore -2.8cc Dome

(1998-2002, 2010-2014 Chevrolet Camaro; 1997-2013 Chevrolet Corvette; 2006-2008 Chevrolet Trailblazer; 2005-2006 Chevrolet SSR + 5 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

K462X185
7 reviews
Sale Price

$1,142.99

Estimated ship date Saturday, November 21

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Product Details

The Wiseco K462X185 is a Professional Series forged piston set designed for Chevrolet LS and LSX platform engines. This shelf-stock kit delivers race-proven performance with a 4.185-inch bore, -2.8cc dome, and a compression ratio of approximately 12.5:1 (with a 68cc chamber and 0.051-inch head gasket). Engineered for serious racers and high-performance builders, this set includes 8 pistons with premium ring packages ready for immediate installation.

Key Specifications:

  • Bore: 4.185 in. (106.3 mm)
  • Compression Height: 1.050 in.
  • Wrist Pin Diameter: 0.927 in.
  • Dome Volume: -2.8cc
  • Stroke: 4.100 in.
  • Rod Length: 6.125 in.
  • Piston Weight: Approx. 490 grams each
  • Compression Ratio: 12.5:1 (68cc chamber / 0.051 in. gasket)
  • Ring Package: 1.2mm / 1.2mm / 3.0mm GFX steel top / Napier 2nd ring set included

Key Features:

  • 2618 High-Strength Forged Aluminum — Engineered, forged, and machined in the USA for maximum tensile strength in heavy-duty race and power-adder applications
  • ArmorGlide® Skirt Coating — Reduces operating friction and noise while minimizing skirt and cylinder wall wear; seizure-resistant for extended engine life
  • Anti-Detonation & Pressure Seal Grooves — Enhances sealing and detonation resistance under high-boost or high-compression conditions
  • Radiused Valve Pockets — Compatible with LS1, LS2, LS3, LS6, LS7, and LS9 cylinder heads; improves detonation resistance and airflow around valves
  • Strutted Skirt Design — Strongest available design; runs as little as 0.004 in. clearance with excellent skirt wear and minimal noise
  • Pin Upgrade Recommended Over 700 HP — Features a 0.150-inch wall pin and Spirolox pin retainers; designed for use with aftermarket connecting rods
  • NA / Boost / Nitrous Compatible — Suitable for naturally aspirated, turbocharged, supercharged, and nitrous-assisted builds

The K462X185 is an ideal choice for stroker LS/LSX builds targeting maximum compression and power. Premium piston rings are included, making this a complete, ready-to-install kit for street/strip and full race engine assemblies.

Products specifications

Fits

1998-2002, 2010-2014 Chevrolet Camaro; 1997-2013 Chevrolet Corvette; 2006-2008 Chevrolet Trailblazer; 2005-2006 Chevrolet SSR; 2004-2006 Pontiac GTO; 1998-2002 Pontiac Firebird; 2009 Pontiac G8; 2004-2007, 2009-2012 Cadillac CTS; 1994 Alfa Romeo 164

Bore

4.185

Comp Height

1.05

Comp Ratio @ 65CC

13:1

Comp Ratio @ 67CC

12.7:1

Comp Ratio @ 68CC

13.0:1

Comp Ratio @ 70CC

12.4:1

Comp Ratio @ 72cc

12.7:1

Dome Volume

-2.8

Gram Weight

480

Rod

6.477 (K1)

Stroke

4.5

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