Diamond 30426-R1 Ford 4.6L 3V Competition Series Piston / Ring Kit -0.6cc Flat Top, 3.572" Bore

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SKU: DIA-30426-R1

10.8:1 Compression Ratio

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Description

Part Number	30426-R1
Application	Ford Modular 4.6L 3V
Bore	3.572"
Stroke	3.543"
Rod Length	5.933"
Compression Height	1.220"
Piston Volume	-0.6cc
Valve Reliefs	3V Valve Relief - Will fit +1mm Valves
Valve Relief Depths	0.000" Intake / .075" Exhaust
Compression Ratio - 51cc	10.8:1 Compression using 3.620" x .036" Gasket
Ring Land Spacing	.280" x .180" x .080"
Included Wrist Pin	Trend G8662500180C
Wrist Pin Material	8620 Alloy
Wrist Pin Dimension	.866" x 2.500" x .180" Wall - 123g
Optional Wrist Pin Upgrade	Trend H8662500200C
Optional Wrist Pin Material	H-13 Tool Steel
Optional Wrist Pin Dimesions	.866" x 2.500" x .200" Wall - 132g
Ring Stack	1.2mm x 1.5mm x 3mm
Included Piston Ring Set	09403572
Included Piston Ring Details	Gas Nitrided Steel Top, Napier 2nd, 3 Piece Oil

The Diamond 4.6L Competition Series Pistons are designed for moderate to high horsepower forced induction applications and are a great choice for Street / Strip applications up to 1400 HP. These Pistons come with Trend .180" Wall 8620 Wrist Pins, Moly Skirt Coating and a Steel Top, Napier 2nd Ring set. We recommend upgrading to the H-13 Pins around the 900 HP mark. The 8260 Pins will not break, but they will begin to flex at some point and are not as rigid as the H-13 heavier wall pins. We recommend this for the simple fact that wrist pin flex will wear out both the Pin Bore and the Connecting Rod Bushing.

Optional Upgrades:

H-13 Tool Steel Pins
Ceramic Dome Coating