Wiseco 2618 oy Forged Pistons; Fits 3.622 Stroke; Set of 8 Pistons; Recommended RingSet: 3785HF; Rings Sold Separate; Includes Pins: S643; Must use w/ K1 Rod BUICK LACROSSE


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Part #: K474M96
Notes: 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Set of 8 Pistons
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
MSRP: $765.00
Your Price: $592.76
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Specs

Bore 3.780
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622

This Item Also Available In

Part Number Price Notes & Specs
K473M965 $616.80 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Set of 8 Pistons
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 376
Rod 6.098 / 6.125
Stroke 4.000
6473ML965 $106.99 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Individual/Replacement Piston (Left)
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 376
Rod 6.098 / 6.125
Stroke 4.000
6473MR96 $118.34 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Individual/Replacement Piston (Right)
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.780
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 370
Rod 6.098 / 6.125
Stroke 4.000
6474ML965 $108.39 Notes 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Individual/Replacement Piston (Left)
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622
6474MR965 $102.54 Notes 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Individual/Replacement Piston (Right)
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622
6473ML96 $104.27 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Individual/Replacement Piston (Left)
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.780
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 370
Rod 6.098 / 6.125
Stroke 4.000
K473M96 $667.19 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Set of 8 Pistons
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.780
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 370
Rod 6.098 / 6.125
Stroke 4.000
K474M965 $591.99 Notes 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Set of 8 Pistons
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622
6473MR965 $118.34 Notes 2618 Alloy Forged Pistons
Fits 4.000 Stroke
Individual/Replacement Piston (Right)
Recommended RingSet: 3805HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.800
Comp Height 1.110
Comp Ratio @ 58CC 11.2:1
Comp Ratio @ 61CC 10.8:1
Dome Volume -7
Gram Weight 376
Rod 6.098 / 6.125
Stroke 4.000
6474ML96 $108.60 Notes 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Individual/Replacement Piston (Left)
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.780
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622
6474MR96 $108.60 Notes 2618 Alloy Forged Pistons
Fits 3.622 Stroke
Individual/Replacement Piston (Right)
Recommended RingSet: 3785HF
Rings Sold Separate
Includes Pins: S643
Must use w/ K1 Rod
Bore 3.780
Comp Height 1.300
Comp Ratio @ 58CC 10.9:1
Comp Ratio @ 61CC 10.4:1
Dome Volume FT -2.2
Gram Weight 410
Rod 6.098 / 6.125
Stroke 3.622

All Fitments

BUICK
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2008 - 2009 LACROSSE SUPER ALL 5.3 ALL ALL ALL
CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2006 - 2009 IMPALA SS ALL 5.3 ALL ALL ALL
2006 - 2007 MONTE CARLO SS ALL 5.3 ALL ALL ALL
PONTIAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2005 - 2008 GRAND PRIX GXP ALL 5.3 ALL ALL ALL

Product Description

World renowned for their work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated engines in such venues as Formula 1, Indy Racing League (IRL), NHRA Pro Stock, Moto GP, AMA Superbike, AMA Motocross and Supercross to design and manufacture the highest technology pistons available.

Features

  • Valve Pocket designs that allow maximum flow around valve, also allowing oversized valves and high lift cams to be utilized.
  • Piston Crown shapes designed to promote maximum Intake Charge efficiency through scavenging mixture “Cross Flow” during intake and
    exhaust valve overlap. More fuel and air equals more horsepower!
  • Piston Domes designed for optimal quench during the compression/ combustion cycle, resulting in resistance to detonation and preignition.
    The end result is longer engine life and increased horsepower potential.
  • Precision machined ring grooves with proper orifice/accumulator volume feature calculated groove root diameters and axial widths, providing
    excellent surface finish and flatness, maximum ring seal and minimized blow-by and oil consumption.
  • World class, ISO Certified, forging facility that utilizes the latest technologies – Featuring complex forged shapes, advanced materials, and feature-aligned grain flow technology.
  • Complex Piston skirt profiles that reduce power robbing friction, yet promote stability in the bore for optimum ring seal.

ArmorGlide Skirt Coating
Wiseco’s new ArmorGlide skirt coating is the result of testing, development, and benchmarking through our in-house dyno program. The outcome – minimized friction, maximum horsepower, and improved wear resistance.

Not only is ArmorGlide a high-tech lubricant that reduces friction, but it also allows the piston to be fitted tighter within the bore than a non-coated piston. Better ring seal reduces noise from piston rock. ArmorGlide is being applied to selected pistons.

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