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Diamond 30444-R1 Ford 5.4L 2VPI Competition Series Piston / Ring Kit -25.0cc Dish, 3.572" Bore - Upgraded H-13 Tool Steel Pins
DIA-30444-R1
Limited Supply: only 1 remaining
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$1,137.99
Sale:
$1,081.09
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$56.90
Description
| Part Number | 30444-R1 |
| Application | Ford Modular 5.4L |
| Bore | 3.572" |
| Stroke | 4.165" |
| Rod Length | 6.657" |
| Compression Height | 1.330" |
| Piston Volume | -25.0cc |
| Ring Land Spacing | .280" x .180" x .080" |
| Valve Reliefs | 2VPI |
| Included Wrist Pin Upgrade | Trend H8662500200C |
| Included Wrist Pin Material | H-13 Tool Steel |
| Included 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 5.4L Competition Series Pistons have a 1.330" Compression Height, which brings the Piston Crown right up to the top of the deck, just like the 4.6L. This is the correct way to enhance combustion efficiency as the OEM 5.4L pistons sit .120" down in the cylinder. These Pistons are supplied with Diamond's Moly Skirt Coating, H-13 Tool Steel Pins and a Steel Top, Napier 2nd Ring Set.
Compression Ratios
Compression Ratios Calculated with a 3.620" x .036" Head Gasket and .010" Deck Clearance
| 2V TFS 38cc | 2V PI 42cc | 2V TFS 44cc | 3V 51cc | 4V 52cc | |
| 5.4L -25.0cc Dish | 10.7:1 | 10.2:1 | 9.9:1 | 9.2:1 | 9.1:1 |
Details
- DIA-30444-R1
- DIA-30444-R1
- Diamond Racing Products
- Available
- New
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Shipping Information
- Item Requires Shipping
- 16.0 lbs.
- W28.0000” x H6.0000” x L12.0000”
- Free Shipping!
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