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Supertech High Performance Pistons
Supertech Pistons are manufactured from extruded high silicone, enhanced 4032 alloy (with additional Cu, Ni & Mg) that had low thermal expansion, excellent wear resistance and higher thermal conductivity. Supertech Pistons, with this alloy, have withstood up to 42psi of boost, with alcohol, without any problems. A two or three step forging process yields a fine structural grain which are then submitted to several machining steps in state of the art CNC machines. Several heat treatments provide the piston with high tensile strength and evenly distributed hardness. Contact reduction grooves are standard, and pin bores are honed and reamed for precise fit. Wrist pins are constructed of cold extruded chrome moly steel for high strength and used with wire clip locks. Finally, the pistons receive a ‘phosphate dry lubricant’ coating to protect the rings against ‘micro-welding’ and enhance lubrication on the skirt/cylinder area.
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FORD ZETEC 2.0 (SVT) | PIN WEIGHT 74 GRS | ||||||||||||
| 85 mm | 0.07 | 8.7:1 (9.5:1) | -9 | 48 (42) | 1.161" (29.5mm) | 3.465 | R | 5.480 | 20mm (.787") | 302 | P4-FZ85-N9 | GNH-8500 | T/N |
| 85 mm | 0.07 | 10.6:1 (11.9:1) | 3.5 | 48 (42) | 1.161" (29.5mm) | 3.465 | X | 5.480 | 20mm (.787") | 283 | P4-FZ85-P3 | GNH-8500 | A/N |
| HONDA / ACURA B16A DOHC VTEC | PIN WEIGHT 74 GRS | ||||||||||||
| 81mm (81.02mm) | Std | 10.5:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.047" | X | 5.290" | 21mm (.827") | 285 | P4-H81-P6 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std | 11:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.047" | X | 5.290" | 21mm (.827") | 246 | P4-H81-P7 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std | 9.0:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.047" | R | 5.290" | 21mm (.827") | 302 | P4-H81-N2R | GNH-8100 | T/N |
| 81.50 mm | 0.50mm + | 10.5:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.047" | X | 5.290" | 21mm (.827") | 261 | P4-H815-P6 | GNH-8150 | A/N |
| 81.5mm | 0.50mm + | 11:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.047" | X | 5.290" | 21mm (.827") | 250 | P4-H815-P7 | GNH-8150 | T/N |
| 81.50mm | 0.50mm + | 9.0:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.047" | X | 5.290" | 21mm (.827") | 235 | P4-H815-N2 | GNH-8150 | T/N |
| 82.00mm | 1mm+ | 9.0:1 | -2.5 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 250 | P4-H82-N2 | GNH-8200 | T/N |
| 82.00mm | 1mm+ | 10.6:1 | 5.7 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 290 | P4-H82-P6 | GNH-8200 | T/N |
| 82.00mm | 1mm+ | 11.1:1 | 7.5 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 257 | P4-H82-P7 | GNH-8200 | T/N |
| 83.00mm | 2mm+ | 10.6:1 | 5.7 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 300 | P4-H83-P6 | GNH-8300 | T/N |
| 84.00mm | 3mm+ | -10.3 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 295 | P4-H84-N10 | GNH-8400 | T/N | |
| 84.00mm | 3mm+ | 10.2:1 | 1.4 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 285 | P4-H84-P1 | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 11:1 | 5.5 | 42.7 | 1.181"(30mm) | 3.047" | X | 5.290" | 21mm (.827") | 310 | P4-H84-P5 | GNH-8400 | A/N |
| HONDA / ACURA B18C1 DOHC VTEC Integra GSR | PIN WEIGHT 74 GRS | ||||||||||||
| 81mm (81.02mm) | Std | 10.1:1 | -2.5 | 41.5 | 1.181" (30mm) | 3.433" | R | 5.429" | 21mm (.827") | 302 | P4-H81-N2R | GNH-8100 | T/N |
| 81mm (81.02mm) | Std. | 11.9:1 | 5.9 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 246 | P4-H81-P6 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std. | 12.4:1 | 7.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 241 | P4-H81-P7 | GNH-8100 | A/N |
| 81.50 mm | 0.50mm + | 11.9:1 | 5.9 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 261 | P4-H815-P6 | GNH-8150 | A/N |
| 81.5mm | 0.50mm + | 12.4:1 | 7.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 250 | P4-H815-P7 | GNH-8150 | T/N |
| 81.50mm | 0.50mm + | 10.1:1 | -2.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 235 | P4-H815-N2 | GNH-8150 | A/N |
| 82.00mm | 1mm+ | 10.1:1 | -2.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 250 | P4-H82-N2 | GNH-820 | T/N |
| 82.00mm | 1mm+ | 12:01 | 5.9 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 290 | P4-H82-P6 | GNH-8200 | A/N |
| 82.00mm | 1mm+ | 12.5:1 | 7.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 257 | P4-H82-P7 | GNH-8200 | A/N |
| 83.00mm | 2mm+ | 12:01 | 5.9 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 300 | P4-H83-P6 | GNH-8300 | A/N |
| 84.00mm | 3mm+ | 9.4:1 | -10.3 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 295 | P4-H84-N10 | GNH-8400 | T/N |
| 84.00mm | 3mm+ | 11.6:1 | 1.4 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 285 | P4-H84-P1 | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 12.6:1 | 5.5 | 41.5 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 310 | P4-H84-P5 | GNH-8400 | A/N |
| HONDA / ACURA B18C5 VTEC Integra Type R | PIN WEIGHT 74 GRS | ||||||||||||
| 81mm (81.02mm) | Std. | 9.9:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.433" | R | 5.429" | 21mm (.827") | 302 | P4-H81-N2R | GNH-8100 | T/N |
| 81mm (81.02mm) | Std. | 11.6:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 246 | P4-H81-P6 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std. | 12.1:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 241 | P4-H81-P7 | GNH-8100 | A/N |
| 81.50 mm | 0.50mm + | 11.6:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 261 | P4-H815-P6 | GNH-8150 | A/N |
| 81.5mm | 0.50mm + | 12.1:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 250 | P4-H815-P7 | GNH-8150 | T/N |
| 81.50mm | 0.50mm + | 9.9:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 235 | P4-H815-N2 | GNH-8150 | A/N/T |
| 82.00mm | 1mm+ | 9.9:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 250 | P4-H82-N2 | GNH-8200 | T/N |
| 82.00mm | 1mm+ | 11.8:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 290 | P4-H82-P6 | GNH-8200 | A/N |
| 82.00mm | 1mm+ | 12.4:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 257 | P4-H82-P7 | GNH-8200 | A/N |
| 83.00mm | 2mm+ | 12.1:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.433" | X | 5.429" | 21mm (.827") | 300 | P4-H83-P6 | GNH-8300 | A/N |
| 84.00mm | 3mm+ | 11.3:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.433" | X/R | 5.394" | 21mm (.827") | 275 / 317 | P4-H84-P1/R | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 12.3:1 | 5.5 | 42.7 | 1.181"(30mm) | 3.433" | x | 5.429" | 21mm (.827") | 319 | P4-H84-P5 | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 9.2:1 | -10.3 | 42.7 | 1.181" (30mm) | 3.433" | R | 5.429" | 21mm (.827") | 290 | P4-H84-N10R | GNH-8400 | A/N/T |
| HONDA / ACURA B18A/B Integra LS Non-VTEC | PIN WEIGHT 74 GRS | ||||||||||||
| 81mm (81.02mm) | Std. | 9.6:1 | -2.5 | 45 | 1.181" (30mm) | 3.504" | R | 5.394" | 21mm (.827") | 302 | P4-H81-N2R | GNH-8100 | T/N |
| 81mm (81.02mm) | Std. | 11.4:1 | 5.9 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 246 | P4-H81-P6 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std. | 12:1 | 7.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 241 | P4-H81-P7 | GNH-8100 | A/N |
| 81.50 mm | 0.50mm + | 11.4:1 | 5.9 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 261 | P4-H815-P6 | GNH-8150 | A/N |
| 81.5mm | 0.50mm + | 12.1:1 | 7.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 250 | P4-H815-P7 | GNH-8150 | T/N |
| 81.50mm | 0.50mm + | 9.6:1 | -2.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 235 | P4-H815-N2 | GNH-8150 | A/N/T |
| 82.00mm | 1mm+ | 9.6:1 | -2.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 250 | P4-H82-N2 | GNH-820 | T/N |
| 82.00mm | 1mm+ | 11.5:1 | 5.9 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 290 | P4-H82-P6 | GNH-8200 | A/N |
| 82.00mm | 1mm+ | 12.2:1 | 7.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 257 | P4-H82-P7 | GNH-8200 | A/N |
| 83.00mm | 2mm+ | 11.5:1 | 5.9 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 300 | P4-H83-P6 | GNH-8300 | A/N |
| 84.00mm | 3mm+ | 11:1 | 1.4 | 45 | 1.181" (30mm) | 3.504" | X / R | 5.394" | 21mm (.827") | 275 / 317 | P4-H84-P1/R | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 11.9:1 | 5.5 | 45 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 319 | P4-H84-P5 | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 9.1:1 | -10.3 | 45 | 1.181" (30mm) | 3.504" | R | 5.394" | 21mm (.827") | 290 | P4-H84-N10R | GNH-8400 | A/N/T |
| HONDA / ACURA B18A Integra LS with B16A head (+ 0.3 w/GSR B18C head) | PIN WEIGHT 74 GRS | ||||||||||||
| 81mm (81.02mm) | Std. | 10.1:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.504" | R | 5.394" | 21mm (.827") | 302 | P4-H81-N2R | GNH-8100 | T/N |
| 81mm (81.02mm) | Std. | 11.9:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 246 | P4-H81-P6 | GNH-8100 | A/N |
| 81mm (81.02mm) | Std. | 12.4 | 7.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 241 | P4-H81-P7 | GNH-8100 | A/N |
| 81.50 mm | 0.50mm + | 11.9:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 261 | P4-H815-P6 | GNH-8150 | A/N |
| 81.5mm | 0.50mm + | 12.4:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 250 | P4-H815-P7 | GNH-8150 | T/N |
| 81.50mm | 0.50mm + | 10.1:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 235 | P4-H815-N2 | GNH-8150 | A/N |
| 82.00mm | 1mm+ | 10.1:1 | -2.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 250 | P4-H82-N2 | GNH-8200 | T/N |
| 82.00mm | 1mm+ | 12:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 290 | P4-H82-P6 | GNH-8200 | A/N |
| 82.00mm | 1mm+ | 12.5:1 | 7.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 257 | P4-H82-P7 | GNH-8200 | A/N |
| 83.00mm | 2mm+ | 12:1 | 5.9 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 300 | P4-H83-P6 | GNH-8300 | A/N |
| 84.00mm | 3mm+ | 11.5:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.504" | X / R | 5.394" | 21mm (.827") | 275 / 317 | P4-H84-P1/R | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 12.5:1 | 5.5 | 42.7 | 1.181" (30mm) | 3.504" | x | 5.394" | 21mm (.827") | 319 | P4-H84-P5 | GNH-8400 | A/N |
| 84.00mm | 3mm+ | 9.4:1 | -10 | 42.7 | 1.181" (30mm) | 3.504" | R | 5.394" | 21mm (.827") | 290 | P4-H84-N10R | GNH-8400 | A/N/T |
| HONDA / ACURA B20 with B16A Head (+ 0.3 w/ GSR B18C head) | PIN WEIGHT 74 GRS | ||||||||||||
| 84.00mm | Std. | 9.5:1 | -10.3 | 42.7 | 1.181" (30mm) | 3.504" | R | 5.394" | 21mm (.827") | 295 | P4-H84-N10 | GNH-8400 | A/N/T |
| 84.00mm | Std. | 11.5:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.504" | X / R | 5.394" | 21mm (.827") | 285 | P4-H84-P1 | GNH-8400 | A/N |
| 84.00mm | Std. | 12.5:1 | 5.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 310 | P4-H84-P5 | GNH-8400 | A/N |
| 84.50mm | 0.5mm + | 9.5:1 | -10.3 | 42.7 | 1.181" (30mm) | 3.504" | X / R | 5.394" | 21mm (.827") | 270 | P4-H845-N10 | GNH-8450 | A/N/T |
| 84.50mm | 0.5mm + | 11.5:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 306 | P4-H845-P1 | GNH-8450 | A/N |
| 84.50mm | 0.5mm + | 12.5:1 | 5.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 310 | P4-H845-P5 | GNH-8450 | A/N |
| 85.00mm | 1 mm + | 9.5:1 | -10.3 | 42.7 | 1.181" (30mm) | 3.504" | X / R | 5.394" | 21mm (.827") | 275 | P4-H85-N10 | GNH-8500 | A/N/T |
| 85.00mm | 1 mm + | 11.5:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 318 | P4-H85-P1 | GNH-8500 | A/N |
| 85.00mm | 1 mm + | 12.5:1 | 5.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 318 | P4-H85-P5 | GNH-8500 | A/N |
| 85.00mm | 1 mm + | 13.5:1 | 8 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 322 | P4-H85-P8 | GNH-8500 | A/N |
| 86.00mm | 2mm+ | 11.5:1 | 1.4 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 318 | P4-H86-P1 | GNH-8600 | A/N |
| 86.00mm | 2 mm+ | 12.7:1 | 4.5 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 290 | P4-H86-P4 | GNH-8600 | A/N |
| 86.00mm | 2 mm + | 13.5:1 | 8 | 42.7 | 1.181" (30mm) | 3.504" | X | 5.394" | 21mm (.827") | 322 | P4-H86-P8 | GNH-8600 | A/N |
| HONDA CIVIC D16Z6/ A6 (Gasket 0.030 - Deck Height 0.010"). Add +0.3:1 if used in a Y8 engine. | PIN WEIGHT 71 GRS | ||||||||||||
| 75.50 mm | 0.50 mm + | 8.8:1 | -12.5 | 34.6 | 1.173" (29.8mm) | 3.543" | R | 5.394" | 19mm (.748") | 220 | P4-HD755-N12 | GNH-7550 | A/N/T |
| 75.50 mm | 0.50 mm + | 10.5 | -3 | 34.6 | 1.173" (29.8mm) | 3.543" | R | 5.394" | 19mm (.748") | 231 | P4-HD755-N3 | GNH-7550 | A/N |
| HONDA / ACURA K20A2 (+ 0.7 w / K20A3 head) (Gasket 0.030" - Deck height: 0.002") | PIN WEIGHT 76 GRS | ||||||||||||
| 86 mm (86.02mm) | Std (+0.02mm) | 9:1 | -6 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 277 | P4-HK86-N6 | GNH-8600 | A/N/T |
| 86 mm (86.02mm) | Std (+0.02mm) | 11.2:1 | 6.5 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 304 | P4-HK86-P6 | GNH-8600 | A/N |
| 86 mm (86.02mm) | Std (+0.02mm) | 12:1 | 11 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 314 | P4-HK86-P11 | GNH-8600 | A/N |
| 86.00 mm | Std | 12.5:1 | 11.4 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 296 | P4-HK86-P15 | GNH-8600 | A/N |
| 86.50 mm | 0.50 mm + | 9:1 | -6 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 281 | P4-HK8650-N6 | GNH-8650 | A/N/T |
| 86.50mm | 0.50mm + | 11.2:1 | 6.5 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 306 | P4-HK865-P6 | GNH-8650 | A/N |
| 86.50 mm | 0.50 mm + | 12:1 | 11 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 316 | P4-HK8650-P11 | GNH-8650 | A/N |
| 86.50mm | 0.50 mm + | 12.5:1 | 11.4 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 309 | P4-HK8650-P15 | GNH-8650 | A/N |
| 87.00mm | 1mm+ | 11.5:1 | 8 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 322 | P4-HK87-P8 | GNH-8700 | A/N |
| 87.00mm | 1mm+ | 12.5:1 | 11.4 | 50.7 | 1.181" (30mm) | 3.386" | X | 5.472" | 22mm (.866") | 325 | P4-HK87-P15 | GNH-8700 | A/N |
| HONDA / ACURA K24A2 w/ K20 Head (Gasket 0.030" - Deck height: 0.002") | PIN WEIGHT 76 GRS | ||||||||||||
| 87mm | Std | 11.5:1 | -0.5 | 50.7 | 1.181" (30mm) | 3.897" | X | 5.984" | 22mm (.866") | 277 | P4-HK87-N0 | GNH-8700 | A/N |
| 87mm | Std | 12.5:1 | 4.5 | 50.7 | 1.181" (30mm) | 3.897" | X | 5.984" | 22mm (.866") | 312 | P4-HK87-P4 | GNH-8700 | A/N |
| 87mm | Std | 13.2:1 | 8 | 50.7 | 1.181" (30mm) | 3.897" | X | 5.984" | 22mm (.866") | 322 | P4-HK87-P8 | GNH-8700 | A/N |
| 87.50mm | 0.50mm+ | 12.5:1 | 4 | 50.7 | 1.181" (30mm) | 3.897" | X | 5.984" | 22mm (.866") | 315 | P4-HK875-P4 | GNH-8750 | A/N |
| 88mm | 1mm + | 12.5:1 | 3.5 | 50.7 | 1.181" (30mm) | 3.897" | X | 5.984" | 22mm (.866") | 317 | P4-HK88-P4 | GNH-8800 | A/N |
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
| MAZDA / FORD Duratec 2.3L ( 2.0L) (Gasket 0.017" - Deck height: 0.0435") | PIN WEIGHT 73.4 GRS | ||||||||||||
| 87.50 mm | Std | 11.6:1 (10.4) | -2 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 300 | P4-DU875-N2 | GNH-8750 | A/N |
| 87.50mm | Std | 12.5:1 (11.2) | 1.5 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 303 | P4-DU875-P1 | GNH-8750 | A/N |
| 87.50mm | Std | 14:1 (12.5) | 7.8 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 295 | P4-DU875-P7 | GNH-8750 | A/N |
| 87.50mm | Std | 9:1 (8) | -20 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 277 | P4-DU875-N20 | GNH-8750 | T/N |
| 88.00mm | 0.5mm+ | 9.1:1 (8.1) | -20 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 283 | P4-DU880-N20 | GNH-8800 | T/N |
| 88.00mm | 0.5mm+ | 11.6:1 (10.5) | -2 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 303 | P4-DU88-N2 | GNH-8800 | A/N |
| 88.00mm | 0.5mm+ | 12.5:1 (11.3) | 1.5 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 308 | P4-DU88-P1 | GNH-8800 | A/N |
| 88.00mm | 0.5mm+ | 14.1:1 (12.6) | 7.8 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 303 | P4-DU88-P7 | GNH-8800 | A/N |
| 89.00mm | 1.5mm | 12.5:1 (11.2) | 0.5 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 303 | P4-DU89-P1 | GNH-8900 | A/N |
| 90.00mm | 2.5mm | 12.1:1 (10.8) | -2 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 330 | P4-DU90-N2 | GNH-9000 | A/N |
| 90.00mm | 2.5mm | 12.5:1 (11.2) | -2 | 42 | 1.063" (27.0mm) | 3.819" | X | 6.094" | 21mm (.827") | 309 | P4-DU900-N2Z | GNH-9000 | A/N |
| 90.00mm | 3.5mm | 12.5:1 (11.2) | 0.5 | 42 | 1.122"(28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827" | 318 | P4-DU90-P1 | GNH-9000 | A/N |
| 91.00mm | 3.5mm | 9:1 (8.1) | -24 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 303 | P4-DU91-N24 | GNH-9100 | T/N |
| 91.00mm | 3.5mm | 12.3: (11) | -2 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 324 | P4-DU91-N2 | GNH-9100 | A/N |
| 92.00mm | 4.5mm+ | 12.2:1(10.8) | -4 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 377 | P4-DU92-N4 | GNH-9200 | A/N |
| 92.00mm | 4.5mm+ | 13.5:1 (12) | 2 | 42 | 1.122" (28.50mm) | 3.7"(3.271") | X | 6.094" | 21mm (.827") | 377 | P4-DU92-P2 | GNH-9200 | A/N |
| MAZDA Miata 1.6L (gasket + Deck height 0.060") | |||||||||||||
| 78.50mm | 0.5mm+ | 8.8:1 | -11 | 36 | 1.260"(32mm) | 3.287" | R | 5.228" | 20mm (.787") | 353 | P4-MA7850-N10 | GNH-7850 | T/N |
| 79.00mm | 1 mm+ | 8.8:1 | -11 | 36 | 1.260"(32mm) | 3.287" | R | 5.228" | 20mm (.787") | 260 | P4-MA790-N10 | GNH-7900 | T/N |
| 79.00mm | 1 mm+ | 10.6:1 | -1 | 36 | 1.260"(32mm) | 3.287" | R | 5.228" | 20mm (.787") | 258 | P4-MA790-N1 | GNH-7900 | T/N |
| MAZDA Miata 1.8L / "BP" engine ( gasket + deck height 0.060") | |||||||||||||
| 83.50mm | 0.5mm+ | 8.6:1 | -4 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | 293 | P4-MA8350-N4 | GNH-8350 | T/N |
| 83.50mm | 0.5mm+ | 9.5:1 | 2.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | 311 | P4-MA8350-P2 | GNH-8350 | T/N |
| 83.50mm | 0.5mm+ | 11:1 | 10.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | 320 | P4-MA8350-P10 | GNH-8350 | A/N |
| 84.00mm | 1 mm+ | 8.6:1 | -4 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | 296 | P4-MA84-N4 | GNH-8400 | T/N |
| 84.00mm | 1 mm+ | 9:1 | -4 | 50 | 1.208" (30.7mm) | 3.346" | R | 5.228" | 20mm (.787") | 317 | P4-MA84-CR9 | GNH-8400 | T/N |
| 84.00mm | 1 mm+ | 9.5:1 | 2.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | 317 | P4-MA84-P2 | GNH-8400 | T/N |
| 84.00mm | 1 mm+ | 11:1 | 10.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | CALL | P4-MA84-P10 | GNH-8400 | A/N |
| 85.00mm | 2mm+ | 9:1 | -3.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | CALL | P4-MA85-N3 | SWM31017-0 | T/N |
| 85.00mm | 2 mm+ | 11:1 | 10 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | CALL | P4-MA85-P10 | GNH-8500 | A/N |
| 85.50mm | 2.5mm+ | 9:1 | -3.5 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | CALL | P4-MA855-N3 | SWM31017-2 | T/N |
| 85.50mm | 2.5mm+ | 11:1 | 8.8 | 50 | 1.201" (30.5mm) | 3.346" | R | 5.228" | 20mm (.787") | CALL | P4-MA855-P8 | GNH-8550 | A/N |
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
| MITSUBISHI 4G63 1st Generation ( Gasket 0.042" - Deck Height 0) | PIN WEIGHT 96 GRS | ||||||||||||
| 85.50mm | 0.5mm + | 9:1 | -9.5 | 47 | 1.378''(35mm) | 3.465" | R | 5.905" | 21mm (.827") | 299 | P4-MI1-8550-N9 | GNH-8550 | T |
| MITSUBISHI 4G63 2nd Generation ( For EVO8/9 add +0.5 to C.R.) ( Gasket 0.042" - Deck Height 0) | PIN WEIGHT 99 GRS | ||||||||||||
| 85mm | Std | 8.3:1 | -15 | 47 | 1.378"(35mm) | 3.465" | R | 5.905" | 22mm (.866") | 295 | P4-MI2-85-N15 | GNH-8500 | T/N |
| 85mm | Std | 9:1 | -9.5 | 47 | 1.378"(35mm) | 3.465" | R | 5.905" | 22mm (.866") | 300 | P4-MI2-85-N9 | GNH-8500 | T/N |
| 85.50mm | 0.5mm+ | 9:1 | -9.5 | 47 | 1.378"(35mm) | 3.465" | R | 5.905" | 22mm (.866") | 303 | P4-MI2-8550-N9 | GNH-8550 | T/N |
| 85.50mm | 0.5mm+ | 8.3:1 | -15 | 47 | 1.378"(35mm) | 3.465" | R | 5.905" | 22mm (.866") | 299 | P4-MI2-8550-N15 | GNH-8550 | T/N |
| 86.00mm | 1mm+ | 8.3:1 | -15 | 47 | 1.378"(35mm) | 3.465" | R | 5.905" | 22mm (.866") | 318 | P4-MI2-86-N15 | GNH-8600 | T/N |
| MITSUBISHI 4G63 2nd Generation/ STROKER 100mm ( For EVO8/9 add +0.5 to C.R.) Deck Height 0.3mm | 100 | ||||||||||||
| 85.50mm | 0.5mm+ | 8.6:1 | -20.5 | 47 | 28.7mm | 100mm | R | 5.905" | 22mm (.866") | 303 | P4-MI2-855-N20ST | GNH-8550 | T/N |
| MITSUBISHI EVO X / 4B11T (Gasket 1.2mm - Deck Height 0) 850 HP. | PIN WEIGHT 124 GRS | ||||||||||||
| 86.00mm | Std | 9:1 | -4.6 | 49 | 33.3mm | 86mm | R | 143.75 | 23mm | 335 | P4-MIX86-CR9 | GNH-8600 | T/N |
| 86.50mm | 0.5mm+ | 9:1 | -4.6 | 49 | 33.3mm | 86mm | R | 143.75 | 23mm | 342 | P4-MIX865-CR9 | GNH-8650 | T/N |
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
| NISSAN 240 SX 95 - 98/ KA24DE | PIN WEIGHT 90 GRS | ||||||||||||
| 89.00mm | Std | 10.5:1 | -11 | 46 | 1.339'' (34mm) | 3.780" | R | 6.496" | 21mm (.827") | 395 | P4-N8900-N11 | GNH-8900 | A/N/T |
| 89.50 mm | 0.5mm + | 8.4:1 | -29 | 46 | 1.339" (34mm) | 3.780" | R | 6.496" | 21mm (.827") | 395 | P4-N895-N29 | GNH-8950 | T/N |
| 89.50mm | 0.5mm+ | 8.6:1 | -27 | 46 | 1.339" (34mm) | 3.780" | R | 6.496" | 21mm (.827") | 395 | P4-N895-N27 | GNH-8950 | T/N |
| 89.50 mm | 0.5mm + | 9:1 | -23 | 46 | 1.339" (34mm) | 3.780" | R | 6.496" | 21mm (.827") | 389 | P4-N895-N23 | GNH-8950 | T/N |
| 89.50 mm | 0.5mm + | 10.5:1 | -11 | 46 | 1.339" (34mm) | 3.780" | R | 6.496" | 21mm (.827") | 389 | P4-N895-N11 | GNH-8950 | A/N/T |
| 90.00mm | 1.0mm+ | 8.6:1 | -27 | 46 | 1.339" (34mm) | 3.780" | R | 6.496" | 21mm (.827") | CALL | P4-N900-N27 | GNH-9000 | T/N |
| NISSAN SR20DET | |||||||||||||
| 86.50mm | 0.5mm+ | 9:1 | -10 | 46 | 1.25"(32mm) | 3.386" | R | 5.366 | 22mm (.866") | 303 | P4-NSR20/86.5CR9 | GNH-8650 | T/N |
| 87.00mm | 1.0mm+ | 9:1 | -10 | 46 | 1.25"(32mm) | 3.386" | R | 5.366 | 22mm (.866") | 306 | P4-NSR20/87CR9 | GNH-8700 | T/N |
| 87.50mm | 1.5mm+ | 9:01 | -10 | 46 | 1.25"(32mm) | 3.386" | R | 5.366 | 22mm (.866") | 307 | P4-NSR20/87.5CR9 | GNH-8750 | T/N |
| NISSAN 350Z VQ35 (Gasket + Deck height 0.082) | |||||||||||||
| 95.50mm | Std | 8.7:1 | -10 | 57 | 1.168"(29.6mm) | 3.205" | R | 5.669" | 22mm (.866") | 370 | P6-N35-955-N10 | GNH-9550 | T/N |
| 96.00mm | 0.5mm+ | 8.8:1 | -10 | 57 | 1.168"(29.6mm) | 3.205" | R | 5.669" | 22mm (.866") | 370 | P6-N35-96-N10 | GNH-9600 | T/N |
| NISSAN RB25 2.5L | PIN WEIGHT 126 GRS | ||||||||||||
| 86.50mm | 0.5mm+ | 9:1 | -15.5 | 64 | 1.24"(31.5mm) | 2.822" | R | 4.783" | 21mm (.827") | 349 | P6-RB25/86.5-CR9 | GNH-8650 | T/N |
| NISSAN RB26 2.6L | PIN WEIGHT 103 GRS | ||||||||||||
| 86.5mm | 0.5mm+ | 8.5:1 | -15.5 | 70 | 1.181" (30mm) | 2.901" | R | 4.783" | 21mm (.827") | 347 | P6-RB26/86.5-CR8.5 | GNH-8650 | T/N |
| NISSAN RB20 2.0L | PIN WEIGHT 103 GRS | ||||||||||||
| 78.5mm | 0.5mm+ | 8.5:1 | -1.3 | 1.260" (32mm) | 2.744" | R | 21mm (.827") | 277 | P6-RB20/78.5-CR8.5 | GNH-7850 | T/N | ||
| NISSAN CA18DET | PIN WEIGHT 91 GRS | ||||||||||||
| 83.50mm | 0.5mm+ | 8.5:1 | FT (-0.9) | 53 | 1.181"(30mm) | 3.291" | R | 5.236" | 20mm (.787") | 292 | P4-NCA18-835-CR8.5 | GNH-8350 | T/N |
| 84.00mm | 1 mm+ | 8.5:1 | FT (-0.9) | 53 | 1.181"(30mm) | 3.291" | R | 5.236" | 20mm (.787") | 296 | P4-NCA18-84-CR8.5 | GNH-8400 | T/N |
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
| SUBARU WRX STi EJ25 2004 ( gasket: 0.60mm / Piston deck height: 0.38mm) | PIN WEIGHT 109 GRS | ||||||||||||
| 99.50 mm | Std | 10.5:1 | -1 | 56 | 1.208"(30.7mm) | 3.110" | R | 5.137" | 23mm(.905") | 390 | P4-SU9950-N1 | SWF-20068 | T/N |
| 99.50 mm | Std | 8.2:1 | -20.5 | 56 | 1.208"(30.7mm) | 3.110" | R | 5.137" | 23mm(.905") | 390 | P4-SU9950-N20 | SWF-20068 | T/N |
| 100 mm | 0.5mm | 8.2:1 | -20.5 | 56 | 1.208"(30.7mm) | 3.110" | R | 5.137" | 23mm(.905") | 400 | P4-SU100-N20B | SWF-20068-2 | T/N |
| SUBARU WRX EJ20 / Spec C crown style ( gasket: 0.60mm / Piston deck height: 1.48mm) | PIN WEIGHT 125 GRS | ||||||||||||
| 92.00mm | Std | 8.3:1 | -5 | 49 | 1.240"(31.5mm) | 2.952" | R | 5.137" | 23mm (.905") | 380 | P4-SU9200-N5 | SWF-20062-0 | T/N |
| 92.50 mm | 0.5mm | 8.4:1 | -5 | 49 | 1.240"(31.5mm) | 2.952" | R | 5.137" | 23mm (.905") | 390 | P4-SU9250-N5 | SWF-20062-2 | T/N |
| SUBARU H6 EZ30 ( gasket: 0.60mm / Piston deck height: 0.38mm) | PIN WEIGHT 113 GRS | ||||||||||||
| 89.20mm | Std | 8.5:1 | -18 | 42 | 1.193"(30.3mm) | 3.149" | R | Std | 22mm (.866") | 321 | P6-SU8920-N18 | SWF-20070-0 | T/N |
| BORE (mm) | OVERSIZE | COMP. RATIO | DOME/DISH VOLUME CC's | HEAD CC'S | COMP HEIGHT | STROKE | SKIRT STYLE | ROD LENGTH | PIN DIAM | WEIGHT GRAMS | PISTON PART NUMBER | RING P/N | APPLICATION |
| TOYOTA Corolla 3TC | PIN WEIGHT 95 GRS | ||||||||||||
| 88.00mm | 3mm+ | 13.8:1 | 34 | 63 | 1.377"(35mm) | 3.070" | R | 4.835" | 22mm (.866") | 370 | P4-T3TC88-CR13 | GNH-8800 | A/N |
| TOYOTA Corolla 2TC | PIN WEIGHT 95 GRS | ||||||||||||
| 86.00mm | 1mm+ | 13.8:1 | 34 | 63 | 1.535"(39mm) | 2.756" | R | 4.835" | 22mm (.866") | 360 | P4-T2TC86-CR13.8 | GNH-8600 | A/N |
| 86.00mm | 1mm+ | 10:1 | 34 | 63 | 1.535"(39mm) | 2.756" | R | 4.835" | 22mm (.866") | 360 | P4-T2TC86-CR10 | GNH-8600 | A/N |
| 87.00mm | 2mm+ | 10:1 | 34 | 63 | 1.535"(39mm) | 2.756" | R | 4.835" | 22mm (.866") | 365 | P4-T2TC87-CR10 | GNH-8700 | A/N |
| 88.00mm | 3mm+ | 13.8:1 | 34 | 63 | 1.535"(39mm) | 2.756" | R | 4.835" | 22mm (.866") | 370 | P4-T2TC88-CR13.8 | GNH-8800 | A/N |
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