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Manley Bore: 3.552"; Rod Length: 5.933"; Stroke: 3.543"; Comp Distance: 1.220"; Comp Ratio: 8.94:1 @ 51cc; Weight: 360g (w/ Pin 448g); Piston Type: -14cc Dish FORD MUSTANG

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Part #: 594500C-8
Notes: Bore: 3.552"
Rod Length: 5.933"
Stroke: 3.543"
Comp Distance: 1.220"
Comp Ratio: 8.94:1 @ 51cc
Weight: 360g (w/ Pin 448g)
Piston Type: -14cc Dish
MSRP: $1,564.00
Your Price: $661.06
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Part Number Price Notes & Specs
594300C-8 $661.06 Notes Bore: 3.552"
Rod Length: 5.933"
Stroke: 3.543"
Comp Distance: 1.220"
Comp Ratio: 9.86:1 @ 51cc
Weight: 352g (w/ Pin 440g)
Piston Type: -6.5cc Dish

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2005 - 2008 MUSTANG GT
V8 4.6 N ALL ALL Platinum Series Lightweight Pistons; Set of 8; Includes Ringset Part # 46600-8

Product Description

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique “one fixturing” manufacturing method that assures maximum horsepower. We utilize a proven offset wrist pin design, a 1.5, 1.5, 3mm Total Seal ring package and moly coated skirts for ultimate performance. Roundwire locks, tool steel wrist pins and pressure balance grooves are included with every set at no additional charge.


  • 2618 alloy for maximum high temperature strength and fatigue resistance.
  • 4032 “High Silicon” alloy for budget conscience street applications. (49 series Ford Modular only)


  • “Contour forgings” provide the optimum balance between strength and weight with no grain-interrupting internal milling.
  • Proprietary multi-step top ring groove machining process assures optimum control of the groove’s size, geometry, flatness, and finish.
  • All final turning is performed in one fixturing resulting in complete squareness of rings to the cylinder wall.
  • Federal Form-Scan gauging validates ideal skirt indexing to pinhole and skirt-to-skirt polarity.
  • Value – added features such as a pressure balance groove included in all series.
  • Precise pinhole machining results in an exact compression distance as well as precise lock ring groove spacing, size, and concentricity.
  • Moly coated skirts come standard on all Ford Modular pistons and are optional on the Chevy LS and Chrysler HEMI pistons.
  • Offset wrist pin design ensures more quiet start-ups and better performance.

Note: Compression ratios are calculated at 0.00” deck clearance, a 9.240” deck height, and a .042” thick compressed head gasket.

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