JE Pistons 314591 - Ford 4.6L 3V FSR Pistons -18.7cc Dish, 3.552" Bore, 3.543" Stroke, 5.933" Rod Length, 1.220" CD, .866" Pin

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SKU: JEP-314591

8.5:1 Compression Ratio

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Description

Part Number	314591
Application	Ford Modular 4.6L 3V
Bore	3.552"
Cubic Inch	281 CI
Stroke	3.543"
Rod Length	5.933"
Compression Height	1.220"
Piston Volume	-18.7cc
Piston Skirt Design	Strutted - Forged Side Relief
Piston Average Weight	334g
Compression Ratio - 3V 50cc	8.5:1
Included Wrist Pin	866-2250-15-51C
Wrist Pin Material	5115 Alloy
Wrist Pin Dimension	.866" x 2.250" x .150" Wall - 98g
Optional Wrist Pin Upgrade	866-2250-23-93C
Optional Wrist Pin Material	9310 Alloy
Optional Wrist Pin Dimesions	.866" x 2.250" x .230" Wall - 132g
Ring Stack	1.2mm x 1.5mm x 3mm
Recommended Piston Ring Set	JG3208-3551-0
Recommended Piston Ring Details	Gas Nitrided Steel Top, Cast Iron 2nd, Low Tension Oil

These JE FSR Pistons are specifically designed for high horsepower Ford Modular applications. The new FSR - Forged Side Relief strutted forging allows for a good amount of weight savings while adding material where it's needed for extra strength. This particular set of Pistons fits the 4.6L 3V Engine with a standard stroke crankshaft and has valve reliefs for the 3V Cylinder Heads. Supplied with .150" Wall 5115 Alloy Wrist Pins. Optional .230" Wall 9310 Alloy Wrist Pins available as an upgrade and suggested for 700 + HP.