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Supertech - High Performance Pistons w/Rings Includes Pins & Wire Locks Acura/Honda More than 40 years of experience in the design of racing pistons and the utilization of the latest CAD software & Finite Element Analysis (FAE) enables us to design strong high performance and yet light pistons for each application. Compression ratio was computed with .030" head gasket and .010" deck. A phosphate dry lubricant coating is applied to most of the pistons to protect against ring micro welding and enhance skirt lubrication. Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni & Mg) that has low thermal expansion, excellent wear resistance and higher thermal conductivity. The pistons are submitted to several machining steps in specially designed machines and in conventional CNC machines with special diamond tools for dimensional precision, perpendicularity and flatness of the ring grooves. Features: Forged from enhanced 4032 alloy and CNC machined Contact reduction grooves are standard. Honed & reamed pin bores for precise fit. High tensile strength and evenly distributed hardness. Pins and wire locks are provided with the pistons. Withstand up to 42psi of turbo boost, w/alcohol, w/o any problems A 2 or 3 forging steps process yields a fine structural grain oriented in fibers in the same direction of the stresses. Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks Quality Control: is performed after every step of the manufacturing process in climate controlled environments to ensure reliability of dimensions Rings w/purchase of Pistons: (rings must be purchased separately) 4 Cyl. Set $79 Qty: 6 Cyl. Set $99 Qty: Rings purchased alone: 4 Cyl. Set $109 Qty: 6 Cyl. Set $129 Qty:

Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.290" 21mm (.827") 285 A/N P4-H81-P6 $399 Qty: 81mm (81.02mm) Std 11:1 7.5 42.7 1.181" (30mm) 3.047" 5.290" 21mm (.827") 290 A/N P4-H81-P7 $399 Qty: 81mm (81.02mm) Std 9.0 : 1 -2.5 42.7 1.181" (30mm) 3.047" 5.290" 21mm (.827") 241 T/N P4-H81-N2 $399 Qty: 81.50 mm 0.50mm + 10.5:1 5.9 42.7 1.181" (30mm) 3.047" 5.290" 21mm (.827") 287 A/N P4-H815-P6 $399 Qty: 81.5mm 0.50mm + 11:1 7.5 42.7 1.181" (30mm) 3.047" 5.290" 21mm (.827") 265 T/N P4-H815-P7 $399 Qty: 81.50mm 0.50mm + 9.0:1 -2.5 42.7 1.181" (30mm) 3.047" 5.290" 21mm (.827") 267 T/N P4-H815-N2 $399 Qty: 82.00mm 1mm+ 9.0:1 -2.5 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 269 T/N P4-H82-N2 $399 Qty: 82.00mm 1mm+ 10.6:1 5.7 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 290 T/N P4-H82-P6 $399 Qty: 82.00mm 1mm+ 11.1:1 7.5 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 295 T/N P4-H82-P7 $399 Qty: 84.00mm 3mm+ 8.3:1 -10.3 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 306 T/N P4-H84-N10 $399 Qty: 84.00mm 3mm+ 10.2:1 1.4 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 306 A/N P4-H84-P1 $399 Qty: 84.00mm 3mm+ 11.1 5.5 42.7 1.181"(30mm) 3.047" 5.290" 21mm (.827") 310 A/N P4-H84-P5 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.429" 21mm (.827") 241 T/N P4-H81-N2 $399 Qty: 81mm (81.02mm) Std. 11.9:1 5.9 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 285 A/N P4-H81-P6 $399 Qty: 81mm (81.02mm) Std. 12.4:1 7.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 290 A/N P4-H81-P7 $399 Qty: 81.50 mm 0.50mm + 11.9:1 5.9 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 287 A/N P4-H815-P6 $399 Qty: 81.5mm 0.50mm + 12.4:1 7.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 265 T/N P4-H815-P7 $399 Qty: 81.50mm 0.50mm + 10.1:1 -2.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 267 A/N P4-H815-N2 $399 Qty: 82.00mm 1mm+ 10.1:1 -2.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 269 T/N P4-H82-N2 $399 Qty: 82.00mm 1mm+ 12:01 5.9 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 291 A/N P4-H82-P6 $399 Qty: 82.00mm 1mm+ 12.5:1 7.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 296 A/N P4-H82-P7 $399 Qty: 84.00mm 3mm+ 9.4:1 -10.3 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 306 T/N P4-H84-N10 $399 Qty: 84.00mm 3mm+ 11.6:1 1.4 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 306 A/N P4-H84-P1 $399 Qty: 84.00mm 3mm+ 12.6:1 5.5 41.5 1.181" (30mm) 3.433" 5.429" 21mm (.827") 310 A/N P4-H84-P5 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.429" 21mm (.827") 241 T/N P4-H81-N2 $399 Qty: 81mm (81.02mm) Std. 11.6:1 5.9 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 285 A/N P4-H81-P6 $399 Qty: 81mm (81.02mm) Std. 12.1:1 7.5 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 290 A/N P4-H81-P7 $399 Qty: 81.50 mm 0.50mm + 11.6:1 5.9 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 287 A/N P4-H815-P6 $399 Qty: 81.5mm 0.50mm + 12.1:1 7.5 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 265 T/N P4-H815-P7 $399 Qty: 81.50mm 0.50mm + 9.9:1 -2.5 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 267 A/N/T P4-H815-N2 $399 Qty: 82.00mm 1mm+ 9.9:1 -2.5 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 269 T/N P4-H82-N2 $399 Qty: 82.00mm 1mm+ 11.8:1 5.9 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 291 A/N P4-H82-P6 $399 Qty: 82.00mm 1mm+ 12.4:1 7.5 42.7 1.181" (30mm) 3.433" 5.429" 21mm (.827") 296 A/N P4-H82-P7 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now Honda / Acura B18A Integra LS Non-VTEC  (PIN WEIGHT 74 GRS) 81mm (81.02mm) Std. 9.6:1 -2.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 241 T/N P4-H81-N2 $399 Qty: 81mm (81.02mm) Std. 11.4:1 5.9 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 285 A/N P4-H81-P6 $399 Qty: 81mm (81.02mm) Std. 12:1 7.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 290 A/N P4-H81-P7 $399 Qty: 81.50 mm 0.50mm + 11.4:1 5.9 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 287 A/N P4-H815-P6 $399 Qty: 81.5mm 0.50mm + 11.9:1 7.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 265 T/N P4-H815-P7 $399 Qty: 81.50mm 0.50mm + 9.6:1 -2.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 267 A/N/T P4-H815-N2 $399 Qty: 82.00mm 1mm+ 9.6:1 -2.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 269 T/N P4-H82-N2 $399 Qty: 82.00mm 1mm+ 11.5:1 5.9 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 291 A/N P4-H82-P6 $399 Qty: 82.00mm 1mm+ 12:1 7.5 45 1.181" (30mm) 3.504" 5.394" 21mm (.827") 296 A/N P4-H82-P7 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.394" 21mm (.827") 241 T/N P4-H81-N2 $399 Qty: 81mm (81.02mm) Std. 11.9:1 5.9 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 285 A/N P4-H81-P6 $399 Qty: 81mm (81.02mm) Std. 12.4 7.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 290 A/N P4-H81-P7 $399 Qty: 81.50 mm 0.50mm + 11.9:1 5.9 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 287 A/N P4-H815-P6 $399 Qty: 81.5mm 0.50mm + 12.4:1 7.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 265 T/N P4-H815-P7 $399 Qty: 81.50mm 0.50mm + 10.1:1 -2.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 267 A/N P4-H815-N2 $399 Qty: 82.00mm 1mm+ 10.1:1 -2.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 269 T/N P4-H82-N2 $399 Qty: 82.00mm 1mm+ 12:1 5.9 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 291 A/N P4-H82-P6 $399 Qty: 82.00mm 1mm+ 12.5:1 7.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 296 A/N P4-H82-P7 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.394" 21mm (.827") 306 A/N/T P4-H84-N10 $399 Qty: 84.00mm Std. 11.5:1 1.4 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 306 A/N P4-H84-P1 $399 Qty: 84.00mm Std. 12.5:1 5.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 310 A/N P4-H84-P5 $399 Qty: 84.50mm 0.5mm + 9.5:1 -10.3 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 270 A/N/T P4-H845-N10 $399 Qty: 84.50mm 0.5mm + 11.5:1 1.4 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 306 A/N P4-H845-P1 $399 Qty: 84.50mm 0.5mm + 12.5:1 5.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 310 A/N P4-H845-P5 $399 Qty: 85.00mm 1 mm + 9.5:1 -10.3 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 275 A/N/T P4-H85-N10 $399 Qty: 85.00mm 1 mm + 11.5:1 1.4 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 318 A/N P4-H85-P1 $399 Qty: 85.00mm 1 mm + 12.5:1 5.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 318 A/N P4-H85-P5 $399 Qty: 85.00mm 1 mm + 13.5:1 8 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 322 A/N P4-H85-P8 $399 Qty: 86.00mm 2mm+ 11.5:1 1.4 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 318 A/N P4-H86-P1 $399 Qty: 86.00mm 2 mm+ 12.7:1 4.5 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") CALL A/N P4-H86-P4 $399 Qty: 86.00mm 2 mm + 13.5:1 8 42.7 1.181" (30mm) 3.504" 5.394" 21mm (.827") 322 A/N P4-H86-P8 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now Honda CIVIC D16Z6 (PIN WEIGHT 71 GRS) 75.50 mm 0.50 mm + 8.8:1 -12.5 34.6 1.173" (29.8mm) 3.543" 5.394" 19mm (.748") 220 A/N/T P4-HD755-N12 $399 Qty: 75.50 mm 0.50 mm + 10.5 -3 34.6 1.173" (29.8mm) 3.543" 5.394" 19mm (.748") 231 A/N P4-HD755-N3 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.472" 22mm (.866") 277 A/N/T P4-HK86-N6 $399 Qty: 86 mm (86.02mm) Std (+0.02mm) 12:1 11 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") 314 A/N P4-HK86-P11 $399 Qty: 86.00 mm Std 12.5:1 11.4 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") CALL A/N P4-HK86-P15 $399 Qty: 86.50 mm 0.50 mm + 9:1 -6 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") 281 A/N/T P4-HK8650-N6 $399 Qty: 86.50 mm 0.50 mm + 12:1 11 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") 316 A/N P4-HK8650-P11 $399 Qty: 86.50mm 0.50 mm + 12.5:1 11.4 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") CALL A/N P4-HK8650-P15 $399 Qty: 87.00mm 1mm+ 12.5:1 11.4 50.7 1.181" (30mm) 3.386" 5.472" 22mm (.866") CALL A/N P4-HK87-P15 $399 Qty: Bore/ (mm) Over size Comp. Ratio Dome /Dish Vol. Head CC's Comp Height Stroke Rod Lngth Pin Diam Weight gram Note Part # Price /Set Buy Now 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" 5.984" 22mm (.866") 277 A/N P4-HK87-N0 $399 Qty: 87mm Std 12.5:1 4.5 50.7 1.181" (30mm) 3.897" 5.984" 22mm (.866") 312 A/N P4-HK87-P4 $399 Qty: 87.50mm 0.50mm+ 12.5:1 4 50.7 1.181" (30mm) 3.897" 5.984" 22mm (.866") 315 A/N P4-HK875-P4 $399 Qty: 88mm 1mm + 12.5:1 3.5 50.7 1.181" (30mm) 3.897" 5.984" 22mm (.866") 317 A/N P4-HK88-P4 $399 Qty: NOTES: T (Turbo) N (Nitrous) A (Naturally Aspirated) R (Round) X (Slipper style)

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