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Wiseco 6120A3 Ford 2.3L 2618 Forged Piston 3.810 in. Bore 1.590 in. Compression Height

(1979-1986 Ford Mustang; 1985-1989 Merkur XR4Ti; 1979-1984 Mercury Capri XR2)

Manufacturer

Part Number

6120A3
Sale Price

$138.99

Estimated ship date Friday, November 20

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Product Details

The Wiseco 6120A3 is a Professional Series forged racing piston engineered for the Ford 2300/2.3L four-cylinder engine. Forged from 2618 aluminum alloy and precision-machined in the USA, this individual replacement piston is built to handle heavy to severe-duty race applications with no compromises in durability or performance.

Featuring a 3.810 in. bore, 1.590 in. compression height, and a 0.912 in. pin diameter, this flat-top piston is purpose-built for stroker combinations targeting maximum compression efficiency. The slipper skirt design reduces reciprocating weight and minimizes friction within the bore. Wrist pin S489 is included. Recommended ring set is 3810A (sold separately, quantity 4 required). Must be used with a K1 connecting rod.

Key Specifications:

  • Bore: 3.810 in.
  • Compression Height: 1.590 in.
  • Stroke: 3.126 in.
  • Rod Length: 5.205 in.
  • Pin Diameter: 0.912 in. (Pin Part #: S489, included)
  • Dome Volume: -3.4cc (flat top)
  • Piston Weight: 393g avg.
  • Ring Grooves: 1/16 x 1/16 x 3/16
  • Skirt Type: Slipper
  • Compression Ratio (42cc chamber): 11.4:1
  • Compression Ratio (46cc chamber): 10.7:1
  • Compression Ratio (50cc chamber): 10.1:1
  • Recommended Ring Set: 3810A (sold separately, qty. 4)
  • Required Rod: K1
  • Sold as: Individual/Replacement Piston

Key Features:

  • 2618 Forged Aluminum Alloy — Superior tensile strength and heat resistance ideal for high-output and forced-induction applications
  • ArmorGlide® Skirt Coating — Proprietary friction-reducing coating that allows tighter bore fitment, minimizes piston rock, reduces noise, and improves wear resistance
  • Precision-Machined Ring Grooves — Calculated groove root diameters and axial widths deliver maximum ring seal and minimize blow-by and oil consumption
  • Slipper Skirt Design — Reduces reciprocating mass and power-robbing friction while maintaining stability in the bore for optimal ring seal
  • Optimized Crown and Valve Pocket Geometry — Promotes intake charge efficiency and accommodates oversized valves and high-lift camshafts
  • ISO-Certified Forging Facility — Engineered and manufactured in the USA using advanced grain-flow-aligned forging technology

Wiseco's Professional Series pistons are the choice of serious racers and engine builders demanding race-proven performance in every build. Whether for road racing, circle track, or high-performance street use, the 6120A3 delivers the precision and durability required to push the Ford 2.3L platform to its limits.

Products specifications

Fits

1979-1986 Ford Mustang; 1985-1989 Merkur XR4Ti; 1979-1984 Mercury Capri XR2

Comp Height

1.59

Comp Ratio

TBA

Dome Volume

-3.4

Gram Weight

410

Rod

5.205

Stroke

3.126

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