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Supertech Forged Aluminum Pistons KA24DE
Supertech pistons are designed using CAD software and Finite Element Analysis to create a strong structural, high performance, yet lightweight pistons for each application.
These pistons are manufactured in Argentina with European technology. Supertech uses an enhanced 4032 alloy with extruded high silicon. Additional copper, nickel, and magnesium is added to prevent thermal expansion, produce excellent wear characteristics, and increase thermal conductivity.
The forging is a 2 to 3 step process that yields a fine structural grain orientated in fibers in the same direction of the stresses. Several heat treatments provide the piston with high tensile strength that is evenly distributed.
The surface of each piston are coated with a phosphate dry lubricant to protect the rings from micro welding to the pistons and enhance the lubrication of the skirt/cylinder area.
Supertech Piston sets do not include rings.
Specs:
| Bore | Over Size | Comp Ratio | Volume CCs | Head CCs | Comp Height | Stroke | Rod Length | Pin Diam | Weight | Piston P/N | Ring P/N | Note |
| 89.00mm | Std | 10.5:1 | -11 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | 395grs | P4-N8900-N11 | GNH-8900 | A/N/T |
| 89.50mm | +0.5 | 8.4:1 | -29 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | 395grs | P4-N8950-N29 | GNH-8950 | T/N |
| 89.50mm | +0.5 | 8.6:1 | -27 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | CALL | P4-N8950-N27 | GNH-8950 | T/N |
| 89.50mm | +0.5 | 9:1 | -23 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | 389grs | P4-N8950-N23 | GNH-8950 | T/N |
| 89.50mm | +0.5 | 10.5:1 | -11 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | 389grs | P4-N8950-N11 | GNH-8950 | A/N/T |
| 90.00mm | +1mm | 8.6:1 | -27 | 46 | 1.339"(34mm) | 3.780" | 6.496" | 21mm(.827") | P4-N90N27 | GNH-900 | T/N | |
Oversized pistons are discontinued. Only the 89mm Bore 10.5:1 Compression Ratio is available.
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.
Posted by charles dodson on 28th Jul 2016
The quality of these pistons is top notch. the generic pic doesnt do them justice. they look killer in the block and i love the coating. it gives them this metallic blue color. everyone was impressed by the design and quality. i ordered the 9:1 for my KA-T.
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